Patent
Suchergebnisse für: KEYBOARD
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Patent:AU1914015133
21.12.1914 Julius, George Alfred (P) : Keyboard controlled machine for printing tickets and recording issues thereof [28.39%]
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Patent:CA356932
31.03.1936 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) Felt & Tarrant Manif. Co.
: Calculating machine keyboard [25.71%]
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Patent:CA372378
08.03.1938 Biagio Beria
: Cash register keyboard [30.86%]
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Patent:CA470745
09.01.1951 Lambert, Harry (P) NCR (P) National Cash Register Comp.
: Calculating machine fractional keyboard control mechanism [28.68%]
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Patent:CA685557
28.04.1964 Marvin A. Frenkel Advance Glove Manif. Comp.
: Calculating machine keyboard [29.58%]
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Patent:CA686430
12.05.1964 Edward M. Harwell Monroe (P) Calculating Machine Comp.
: Tactile keyboard [29.89%]
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Patent:CA706251
23.03.1965 Rupert M. Starrett
: Electrically powered keyboard and transfer mechanism for ten key adding or calculating machine [29.27%]
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Patent:CA711122
08.06.1965 Barozzi, Gianpiero (P), Horeschi, Giancarlo (P) Ricoh (P) Co. Ltd. : Printing adding machine with reduced keyboard and simplified actuating mechanisms [28.39%]
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Patent:CA903172
20.06.1972 Kolly, Andre (P) Kabushiki Kaisha Ricoh (P)
: Device for introducing values into a calculating machine, having a reduced keyboard [28.68%]
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Patent:CH447672
30.11.1967 : Rechenmaschine [7.62%]
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Patent:CH482245
30.11.1969 : Rechenmaschine mit Stellstiftwagen [7.05%]
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Patent:CH496993
30.09.1970 Kolly, Andre (P) : Dispositif dintroduction de valeurs dans une machine à calculer, à clavier réduit [7.25%]
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Patent:CH517973
15.01.1972 McGourty, Thomas K. (P) Commodore (P) : Machine à calculer mécanique [6.76%]
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Patent:GB1000776
11.08.1965 Starrett, , Rupert Morton (P)]] : Electrically powered keyboard and transfer mechanism for ten key adding or calculating machine [17.07%]
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Patent:GB1017634
19.01.1966 NCR (P) : Improvements in or relating to calculating apparatus [28.52%]
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Patent:GB1029953
18.05.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [15.66%]
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Patent:GB1029956
18.05.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [7.57%]
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Patent:GB1029959
18.05.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [14.08%]
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Patent:GB1031235
02.06.1966 Wyle, Lab Inc (P) : Calculator apparatus [27.46%]
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Patent:GB1042786
14.09.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [16.86%]
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Patent:GB1042790
14.09.1966 Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [38.53%]
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Patent:GB105928
10.05.1917 Peters, Herbert Cushing (P) : Improvements in and relating to Adding and Subtracting Machines [5.97%]
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Patent:GB1074171
28.06.1967 Olympia (P) Werke AG : Improvements in or relating to calculating machines [18.12%]
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Patent:GB1079594
16.08.1967 NCR (P) : Improvements in or relating top fluid pressure operated calculating [16.71%]
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Patent:GB1090761
15.11.1967 Friden (P) : Calculator [31.77%]
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Patent:GB1090762
15.11.1967 Friden (P) : Calculator [18.35%]
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Patent:GB1090763
15.11.1967 Friden (P) : Calculator [17.45%]
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Patent:GB1090764
15.11.1967 Friden (P) : Electronic calculator [27.19%]
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Patent:GB1124623
21.08.1968 Fripp, Alan (P) und Drage, James John (P) : Improvements in or relating to calculating machines [18.14%]
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Patent:GB112530
17.01.1918 Crutchley Charles Frederick : A New or Improved Implement for Facilitating the Tuning of Pianos, [11.82%]
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Patent:GB1127840
18.09.1968 Eldata Ges Fur Elektronische D : Keyboard for electronic accounting, invoicing, computing and [21.65%]
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Patent:GB1132214
30.10.1968 Gross, Henry (P) und Gross, Samuel (P) : Improvements in or relating to cash registers and like adding machines [28.48%]
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Patent:GB1132731
06.11.1968 Kitz, Norbert (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [16.76%]
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Patent:GB1139925
15.01.1969 C Olivetti (P) and C Societa Per Azi : Program control device for a calculating or like machine [17.62%]
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Patent:GB1143203
19.02.1969 Lloyd, John George (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [17.50%]
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Patent:GB116243
31.05.1918 Wade, Harold (P) : Improvements in and relating to Keyboard and Zeroising Interlocking-devices for Adding-maschines [10.64%]
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Patent:GB123779
13.03.1919 Addometer Corporation (P) : Improvements in and relating to Calculating Machines [14.86%]
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Patent:GB123780
13.03.1919 Addometer Corporation (P) : Improvements in and relating to Calculating Machines [12.15%]
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Patent:GB124537
02.04.1919 Saxby, Herbert Baber (P) Shephard, Thomas Fredrick (P) : Improvements in or relating to Ball Releasing Apparatus applicable for Signalling or Registering Purposes [11.44%]
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Patent:GB124538
02.04.1919 Wade, Harold (P) : Improvements in or relating to Differential Setting and Actuating Devices with Associated Keyboard Construction for Adding and like Registeri [31.60%]
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Patent:GB124695
02.04.1919 Burroughs (P) Adding Machine Comp. : Improvements in or relating to locking and interlocking mechanisms for keyboard adding and like registering-machines [26.95%]
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Patent:GB126090
08.05.1919 Isaki, Fukutaro (P) Nihon Suitoki Kabushiki Kaisha : Improvements in and relating to Transfer or Carrying-over Mechanism [6.88%]
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Patent:GB127228
22.07.1919 Fuller, Frederick (P) NCR (P) : Improvements in Cash Registers or the like. [29.74%]
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Patent:GB139203
03.03.1921 Blaustein, Joseph (P) : Improvements in Calculating Machines [17.22%]
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Patent:GB143311
19.02.1919 Haddan, Alfred John Henry (P) NCR (P) : Cash Registers with operating means [16.66%]
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Patent:GB144361
07.06.1920 Haddan, Alfred John Henry (P) NCR (P) : Improvements in Cash Registers. [17.15%]
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Patent:GB144373
07.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Column Printing Arrangements [17.38%]
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Patent:GB144538
07.03.1919 Haddan, Alfred John Henry (P) NCR (P) : Machines for writing on Books [17.48%]
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Patent:GB146273
24.10.1921 Optische Anstalt C. P. Goerz (P) : Improvements in and relating to keyboard setting mechanism for adding-machines [17.78%]
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Patent:GB147762
04.08.1921 Grimme Natalis (P) : Improvements in or relating to calculating machines [17.94%]
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Patent:GB155352
13.12.1920 Drake, Tom (P) Linotype Machinery Ltd : Improvements in or relating to the keyboard mechanism of typographical composing and other key controlled machines [19.59%]
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Patent:GB176781
04.07.1923 Shipley, Bernis (P) NCR (P) : Improvements in keyboard and differential mechanism with associated interlocking devices for cash registers [28.97%]
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Patent:GB181043
06.06.1922 Felt und Tarrant (P) : Improvements in Calculating Machines [21.82%]
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Patent:GB182841
07.07.1922 Peters Morse Mfg Corp : Improvements in and relating to adding machines [27.80%]
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Patent:GB190007172
11.08.1900 Shattuck, William P. (P) : Improvements in Computing or Calculating and Recording Machines [18.42%]
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Patent:GB190209892
29.04.1903 Wolfe, Jacob Calvin (P), Morton, Edwin Wallace (P) : Improvements in or connected with Adding Devices for Typewriting and similar Machines [16.75%]
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Patent:GB190221178
24.09.1903 Wales, Charles (P) : Improvements in and relating to Adding Machines [18.17%]
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Patent:GB190300409
04.06.1903 Harrison, George (P) Bundy Manufacturing (P) Comp. : Improvements in Adding and Printing Machines [18.25%]
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Patent:GB190309588
03.09.1903 Universal Accountant Machine Company : Improvements in Calculating Machines [17.11%]
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Patent:GB190319870
18.08.1904 Kelling, Kurt (P) : Improvements in Repetition Means for Calculating Machines [39.93%]
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Patent:GB190323826
10.03.1904 Justice Philip Middleton : Improvements in Calculating Machines [19.95%]
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Patent:GB190327472
17.11.1904 Cloud, Otho Edmund (P) : Improvements in Calculating and Registering Machines [28.90%]
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Patent:GB190327874
18.02.1904 Macauley, Alvan (P) : Improvements in Adding Machines [19.58%]
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Patent:GB190407714
19.05.1904 Hensley, Hubert Arthur (P) : Improvements in Calculating Machines [18.05%]
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Patent:GB190408648
23.06.1904 Shiek, Daniel Webster (P) : Improvements in Calculating Machines [18.65%]
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Patent:GB190413094
28.07.1904 Lake, Henry Harris (P) : Improvements in or relating to Calculating Machines [18.33%]
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Patent:GB190422824
15.12.1904 Ensign, Emory (P) : Improvements in Calculating Machines [17.80%]
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Patent:GB190516651
16.10.1906 Bundy Manufacturing (P) Comp. : Improvements relating to Adding Machines [29.52%]
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Patent:GB190518341
05.07.1906 Laganke, Charles Frederick und Smith, John Asbury Elliott-Fisher (P) : Combined Typewriting and Adding Machine [16.77%]
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Patent:GB190628610
11.04.1907 Monachimoff, Alexander (P) Monachimoff Alexander : New or Improved Calculating Machine [20.06%]
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Patent:GB190707018
23.03.1908 Leder, Ernst (P) : A New or Improved Calculator [31.75%]
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Patent:GB190712083
14.05.1908 Burroughs (P) : Improvements in or relating to Clutch Mechanisms for Adding, Listing and like Machines [11.09%]
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Patent:GB190719094
17.09.1908 McFarland, Charles Numan (P) : Improvements in or relating to Adding Machines [30.00%]
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Patent:GB190722212
04.06.1908 Gatewood, William F. : Improvements in Adding Machines [18.84%]
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Patent:GB190724489
05.11.1908 Hinchman, George Nichols (P) : Improvements in Adding Machines [16.77%]
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Patent:GB190725219
12.11.1908 Ensign, Emory (P) : Improvements in Calculating Machines [18.17%]
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Patent:GB190727269
09.10.1908 Putnam, George Bowers (P) : Improvements in or relating to Adding Machines [17.90%]
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Patent:GB190727446
06.08.1908 Bollinger, Alexander (P) und Landry, Alcide (P) und Landry, Eugen (P) : Improvements in or relating to Calculating Machines [19.85%]
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Patent:GB190914780
27.06.1910 Wattleworth, Alfred Walter (P), Drucquer, John (P) : Improvements in Indicating Devices for use with Adding, Calculating, Type-writing and like Machines, applicable also to Printing and Measu [16.08%]
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Patent:GB190918124
05.09.1910 Burnett, Arthur John Herbert (P) und Goodson, Robert (P) : Improvements in Mechanism for use in connection with Calculating Machines and the like [18.02%]
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Patent:GB191021842
20.09.1911 Keighley, Charles William (P) : Improvements in and relating to Calculating Machines [17.69%]
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Patent:GB191027151
28.09.1911 Cloud, Otho Edmund (P) : Improvements in Calculating Machines [41.68%]
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Patent:GB191030391
14.12.1911 Barrett, Glenn (P) J. : Improvements in Calculating Machines [17.36%]
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Patent:GB191109369
09.11.1911 Burroughs (P) : Improvements in or relating to Adding Machines [18.11%]
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Patent:GB191109563
19.06.1912 McCaskey Electric Calculator Co. (P) : Improvements in and relating to Multiplying Arrangements for Calculating Machines [17.73%]
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Patent:GB191112613
06.07.1911 Jahn, Adolf (P) : Improvements in Calculating Machines [21.11%]
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Patent:GB191113381
03.06.1912 Booth, Henry Shepley (P) : Improvements in Calculating Machines [20.64%]
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Patent:GB191119394
18.01.1912 Metall, Ind Schoenebeck A G (P) : Method of Fixing Celluloid Key Rings on to the Metal Keys of Typewriting, Calculating and other Key-board Machines [17.00%]
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Patent:GB191119694
04.09.1912 Dalton (P) Adding Machine Comp. : Adding and Computing Machine [17.75%]
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Patent:GB191125068
11.11.1912 Burroughs (P) : Improvements in or relating to Adding and Listing Machines [18.29%]
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Patent:GB191202459
12.12.1912 Abbott, Stephen Shapland (P) : Platforms for Supporting or Carrying Typewriters, Adding, Listing and Calculating Machines and such Articles [6.73%]
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Patent:GB191204376
19.06.1912 Addometer Corporation (P) : Improvements in and relating to Calculating Machines [17.00%]
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Patent:GB191210148
29.04.1913 Piscicelli Taeggi, Roberto (P) : Improvements in or relating to Calculating Machines [17.31%]
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Patent:GB191219273
13.03.1913 Greve, John E. (P) Wanderer (P) Werke : Improvements in the Keyboards and Connecting Members of Calculating Machines [16.85%]
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Patent:GB191229966
11.09.1913 Sims Frederick Lindley Hunt Sims Frederick Lindley Hunt : Improvements in and relating to Keyboard and Differential Mechanism for Adding and like Machines [27.74%]
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Patent:GB191302318
01.01.1914 Wade, Harold (P) : Improvements in or relating to Adding Machines [17.28%]
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Patent:GB191309877
23.04.1914 Bauchwitz, Richard (P) : Improvements in Registering Mechanism for Cash Registers, Calculating Machines and Registering and the like Apparatus [17.09%]
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Patent:GB191311823
05.03.1914 United States Cashier Co. (P) : Improvements in and relating to Adding and Listing Machines [16.34%]
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Patent:GB191346
04.01.1923 NCR (P) : Improvements in and relating to keyboard and differential mechanism for cash registers and like machines [29.58%]
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Patent:GB191419146
29.11.1915 Enberg, John Christer (P) : Improvements in or relating to Key Mechanism for Calculating Machines, Cash Registers, and the like [17.19%]
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Patent:GB191505953
20.01.1916 Mays Accounting Machine Company : Improvements in or relating to Calculating Machines [18.23%]
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Patent:GB191506219
28.05.1915 NCR (P) : Improvements in Totalizers more particularly adapted for use in Keyboard Ticket Issuing Machines and in Differential Actuating and Zeroizing Mechanism therefor [28.39%]
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Patent:GB191509572
29.12.1915 Addometer Corporation (P) : Improvements in and relating to Calculating Machines [16.82%]
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Patent:GB191516937
30.11.1916 Mason, James Henry (P) : Improvements in or relating to Adding Machines or Devices [21.27%]
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Patent:GB203236
06.09.1923 James Mark Mcginnis Barr : Improvements in calculating machines [19.59%]
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Patent:GB205436
09.10.1923 NCR (P) : Improvements in and relating to keyboard mechanism for cash and other registers [30.20%]
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Patent:GB206467
09.11.1923 NCR (P) : Improvements in keyboard mechanism for cash registers [30.53%]
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Patent:GB218961
09.07.1924 Perpete, Georges Victor Lambert (P), Puttemans, Hubert Auguste (P) : Improvements in adding and printing machines [17.17%]
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Patent:GB223939
27.03.1925 Shipley, Bernis (P) : Improvements in item-printing mechanism for cash registers and other keyboard controlled item-printing machines [25.71%]
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Patent:GB224244
27.03.1925 Shipley, Bernis (P) : Improvements in keyboard and differential mechanism for cash registers or calculating machines [16.70%]
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Patent:GB224549
07.04.1926 Bernhard Weiner : Improvements in and relating to calculating machines [11.43%]
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Patent:GB225124
27.11.1924 Puttemans, Hubert Auguste (P) : Improvements in typewriting and calculating machines [17.28%]
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Patent:GB243083
25.11.1925 Registrier Maschinen Roeder Ak : Improvements in keyboard and differential mechanism for cash registers, and other calculating machines [30.09%]
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Patent:GB254255
08.04.1927 Optische Anstalt C. P. Goerz (P) : Improvements in or relating to keyboard mechanism especially adapted for use with calculating machines [35.93%]
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Patent:GB265136
26.08.1927 Burroughs (P) Adding Machine Co : An improved keyboard for calculating machines [34.86%]
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Patent:GB296351
27.02.1930 Marcel Jacob : Improvements in or relating to calculating machines [17.66%]
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Patent:GB310362
26.09.1929 Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik) : Combination of a calculating machine for all four rules with a card perforating machine [16.87%]
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Patent:GB338038
13.11.1930 Adrema (P) Maschinenbau : Improvements in and relating to an address-printing machine with means for operating a calculating machine [29.45%]
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Patent:GB343476
16.02.1931 Ball, William (P), Fitz, Richard (P) und Simson, Donald Petrie (P) : Improvements in and relating to calculating machines [10.95%]
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Patent:GB344919
09.03.1931 Siemens (P) : Improvements relating to calculating machines, especially statistical machines, controlled by perforated code cards [16.52%]
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Patent:GB348043
22.04.1931 Western Electric Co : Improvements in or relating to multiplying machines [17.35%]
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Patent:GB349512
26.05.1931 British Tabulating (P) Mach Co Ltd : Improvements in or relating to punching machines for perforating, and adding the amounts so recorded on, statistical record-cards [37.73%]
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Patent:GB360377
02.11.1931 Petter, Guy Bazeley (P) Petters (P) Limited : Improvements in or relating to calculating or adding machines [16.49%]
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Patent:GB362500
07.12.1931 Hugo Kaemmel Mercedes (P) Büromaschinen Werke : Improvements in and relating to typewriting machines, typewriting-calculating and like machines [17.44%]
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Patent:GB368254
01.03.1932 Burroughs (P) Adding Machine Co : Improvements in or relating to calculating machines and the like [17.07%]
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Patent:GB380106
26.08.1932 Robert Anschuetz : Improvements in and relating to typewriter-calculating machines controlling card-perforating machines [16.74%]
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Patent:GB381239
06.10.1932 Arthur Stanley Lupton NCR (P) : Improvements in or relating to cash registers, accounting machines, calculating machines and similar machines [16.53%]
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Patent:GB388053
17.08.1931 Burroughs (P) : Improvements in or relating to Keyboards for Calculating Machines, Cash Registers and the like Machines having Keyboards. [16.46%]
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Patent:GB409100
26.04.1934 Guido Gerhold : Electro-mechanical setting mechanism for use with calculating machines and cash registers [16.82%]
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Patent:GB410129
09.05.1934 Valtat, Raymond Louis Andre (P) : Improvements in or retlating to Calculating and like Apparatus [17.49%]
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Patent:GB414397
02.08.1934 Siemens (P) : Improvements relating to the automatic actuation of adding machines [17.64%]
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Patent:GB439512
09.12.1935 IBM (P) : Improvements in or relating to keyboard controlled recording or [18.59%]
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Patent:GB441876
27.01.1936 Shipley, Bernis (P) NCR (P) : Improvements in and relating to keyboard and differential mechanism for cash registers and like machines [28.97%]
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Patent:GB445670
16.04.1936 Wanderer (P) Werke : Improvements in paper-adjusting devices for typewriters, calculating and like machines [16.53%]
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Patent:GB445877
20.04.1936 Burroughs (P) Adding Machine Co : Improvements in or relating to calculating or the like machines [28.28%]
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Patent:GB450599
18.12.1934 Marchant (P) : Calculating Machine [17.46%]
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Patent:GB462355
01.03.1937 Wanderer (P) Werke vormals Winklhofer : Improvements in or relating to frames for typewriters and calculating and like machines [6.62%]
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Patent:GB473352
07.10.1937 Tord, Erik Daniel Bilde (P) : Improvements in or relating to calculating machines [17.52%]
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Patent:GB490000
08.08.1938 Hofgaard, Rolf (P) : Improvements in key-boards of calculating machines [18.47%]
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Patent:GB498429
09.01.1939 IBM (P) : Improvements in or relating to record or check sorting machines with [31.07%]
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Patent:GB514919
21.11.1939 NCR (P) : Improvements in or relating to accounting machines, cash registers and similar calculating machines [16.19%]
-
Patent:GB519040
14.03.1940 NCR (P) : Improvements in or relating to calculating machines and similar accounting machines [6.38%]
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Patent:GB520291
19.04.1940 Louis Manuel Llorens : Improvement in computing machine [6.37%]
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Patent:GB540604
23.10.1940 Marchant (P) : Multiplying Apparatus [16.62%]
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Patent:GB566376
16.09.1942 Felt und Tarrant (P) : Calculating-machine [28.98%]
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Patent:GB578077
14.06.1946 Gaz & D Electricite Du Sud Est : Ready reckoner for use in conjunction with an accounting machine [18.59%]
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Patent:GB600746
16.04.1948 Allen Wales (P) Adding Machine Corp : Improvements in or relating to calculating machines [16.68%]
-
Patent:GB606632
17.08.1948 Allen Wales (P) Adding Machine Corp : Improvements in calculating machines [6.94%]
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Patent:GB608989
23.09.1948 Allen Wales (P) Adding Machine Corp : Improvements in calculating machines [29.33%]
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Patent:GB645004
25.10.1950 Mehan, Thomas Oliver (P) Victor (P) Adding Machine Company : Improvements in or relating to adding machines [28.34%]
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Patent:GB660638
07.11.1951 NCR (P) : Accounting machines and similar calculating machines [12.56%]
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Patent:GB673926
18.06.1952 Larsen, Fridthiof Oscar Valdema (P) Duba Ab : Improvements in electrically operated calculating machines [16.66%]
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Patent:GB699914
18.11.1953 Webb, Christopher Frederick (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [17.19%]
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Patent:GB706668
31.03.1954 Victor (P) Adding Machine Company : Paper tape guide for calculating machines [6.50%]
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Patent:GB706871
07.04.1954 NCR (P) : Accounting machines [17.20%]
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Patent:GB712749
28.07.1954 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or relating to calculating machines [6.37%]
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Patent:GB716830
13.10.1954 Olympia (P) Werke West GmbH : A keyboard for ten-key calculating machines [12.35%]
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Patent:GB734158
27.07.1955 Arva S A : Calculating machine [17.90%]
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Patent:GB741039
23.11.1955 NCR (P) : Calculating machine [18.13%]
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Patent:GB750264
13.06.1956 NCR (P) : Calculating machines [16.15%]
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Patent:GB772750
17.04.1957 Uhlig, Arno (P) und Uhlig, Werner (P) Olympia (P) Werke AG : Setting mechanism for ten-key calculating machines [17.19%]
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Patent:GB779039
17.07.1957 Raul Carlos Ferraro : A full keyboard listing adding machine [29.09%]
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Patent:GB780953
14.08.1957 El Re Ma S A : Improvements in or relating to electric calculating machines [8.36%]
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Patent:GB785285
23.10.1957 Hebel, Martin (P) Eldi Feinmechanik G M B H : Improvements in or relating to calculating and book keeping machines [17.12%]
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Patent:GB799137
06.08.1958 Siemag Feinmechanische Werke GmbH : Improvements in contact keyboards for controlling typewriters and calculating, accounting and like machines [16.37%]
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Patent:GB808651
11.02.1959 NCR (P) : Accounting or similar calculating machines [18.27%]
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Patent:GB813083
06.05.1959 NCR (P) : Calculating machines or similar accounting machines [18.71%]
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Patent:GB819284
02.09.1959 Underwood (P) Corp : Total taking mechanism in ten-key adding machines [6.92%]
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Patent:GB856242
14.12.1960 NCR (P) : Calculating or similar accounting machines [16.89%]
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Patent:GB868759
25.05.1961 Kitz, Norbert (P) und Milburn, Robert (P) und Webb, Christopher Frederick (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [17.81%]
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Patent:GB901440
18.07.1962 Monroe (P) Calculating Machine : Printing calculator [17.60%]
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Patent:GB913554
19.12.1962 Arvai, Tibor (P) Mecanographie Japy Soc D : Adding and subtracting machine [17.94%]
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Patent:GB917031
30.01.1963 Burroughs (P) Corp : Improvements in or relating to combination calculating and recording machines [18.20%]
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Patent:GB918707
20.02.1963 Olympia (P) Werke AG : A device for the remote transmission of information set up in a calculating machine [7.06%]
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Patent:GB922696
03.04.1963 Pritchard, Ronald (P) und Rogers, William Louis (P) NCR (P) : Improvements in or relating to calculating devices [37.24%]
-
Patent:GB925161
01.05.1963 Kitz, Norbert (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [17.27%]
-
Patent:GB954993
08.04.1964 Olympia (P) Werke AG : A device for typewriters, calculating machines or like machines [18.39%]
-
Patent:GB956057
22.04.1964 Marcel Levy Lebar : Mechanical and electronic calculator [16.12%]
-
Patent:GB972570
14.10.1964 Lloyd, John George (P) Bell Punch (P) Co Ltd : Improvements in or relating to calculating machines [28.71%]
-
Patent:GB982721
10.02.1965 Plaut, Michael (P) Nat Res Dev : Adding machine [18.48%]
-
Patent:GB982722
10.02.1965 Plaut, Michael (P) Nat Res Dev : Adding machine [7.19%]
-
Patent:US1002341
05.09.1911 Vincent, Jesse Gurney (P) Burroughs (P) Adding Machine Comp. : Keyboard mechanism for adding machines [27.25%]
-
Patent:US1003672
19.09.1911 F. J. Tillman : Adding Machine [4.41%]
-
Patent:US1028344
04.06.1912 Felt, Dorr E. (P) : Calculating Machine [6.30%]
-
Patent:US1035101
06.08.1912 T. I. Potter : Calculating Machine [16.29%]
-
Patent:US1048321
24.12.1912 Koenig, Georg (P) : Adding Machine [6.30%]
-
Patent:US1049093
31.12.1912 Hopkins, Hubert (P) : Adding and Writing Machine [12.41%]
-
Patent:US1050039
07.01.1913 H. C. Peters : Adding Machine [14.53%]
-
Patent:US1050041
07.01.1913 Rinsche, Frank Charles (P) : Calculating Machine [15.43%]
-
Patent:US1052437
04.02.1913 C. L. Nelson : Calculating Machine [6.90%]
-
Patent:US1064451
10.06.1913 E. L. De Forest : Calculating Machine [7.67%]
-
Patent:US1074689
07.10.1913 G. S. Bollensen : Adding Machine [10.97%]
-
Patent:US1074704
07.10.1913 Felt, Dorr E. (P) : Calculating Machine [7.02%]
-
Patent:US1074705
07.10.1913 Felt, Dorr E. (P) : Calculating Machine [6.54%]
-
Patent:US1074721
07.10.1913 J. P. Hunter & H. Küntzler : Keyboard Locking Mechanism for Adding Machines [20.37%]
-
Patent:US1086823
10.02.1914 E. H. Hebern & F. Hoffman : Cryptographic Attachement for Type Writing Machines [3.98%]
-
Patent:US1088219
24.02.1914 Felt, Dorr E. (P) Felt und Tarrant (P) : Calculating Machine [11.66%]
-
Patent:US1103875
14.07.1914 A. Hantsch : Calculating Machine [4.61%]
-
Patent:US1115953
03.11.1914 James F. Mays Mays Accounting Machine Company, Asheville (NC) : Duplex Calculator [3.66%]
-
Patent:US1119061
01.12.1914 J. Bricken : Calculating Machine [4.09%]
-
Patent:US1154355
21.09.1915 Wales, Charles (P) White Adding Machine Comp. : Keyboard for computing machines [29.27%]
-
Patent:US1154897
28.01.1915 Turck, Joseph Abraham Valentine (P) : Calculating Machine [6.91%]
-
Patent:US1156600
12.10.1915 Horton, Allen (P) : Adding and Calculating Machine [7.82%]
-
Patent:US1159339
02.11.1915 Frank C. Rinsche : Check table and keyboard-cover for calculating-machines and the like [29.58%]
-
Patent:US1173640
29.02.1916 Barrett, Glenn (P) Barrett (P) Adding Machine Co. : Auxiliary keyboard for calculating machines [27.25%]
-
Patent:US1174831
07.03.1916 W. J. Crumpton : Multiplying Mechanism [12.66%]
-
Patent:US1194205
08.08.1916 J. H. Mason : Adding Machine [13.13%]
-
Patent:US1203655
07.11.1916 John A. Schleicher Charles V. Wilgus Adder Machine Comp. : Keyboard [28.97%]
-
Patent:US1204284
07.11.1916 A. W. Lawrence : Adding Machine [11.53%]
-
Patent:US1204929
14.11.1916 H. M. Ball, Sr. : Printing Machine for Code Communication [4.19%]
-
Patent:US1206059
28.11.1916 Wales, Charles (P) : Calculating Machine [4.57%]
-
Patent:US1207700
12.12.1916 Baldwin, Frank Stephen (P) & Baldwin, George H. Monroe (P) : Calculating Machine [4.18%]
-
Patent:US1218346
06.03.1917 W. W. Wilson : Printing Recorder for Calculators [3.81%]
-
Patent:US1220545
27.03.1917 E. E. Phinney : Calculating Instrument [4.47%]
-
Patent:US1221027
03.04.1917 J. P. Cluley : Multiplying Machine [10.93%]
-
Patent:US1238809
04.09.1917 A. Pentecost : Calculating Machine [12.05%]
-
Patent:US1239622
11.09.1917 Rauchwetter, Franz (P) : Keyboard Adding Machine [17.61%]
-
Patent:US1248718
04.12.1917 Rinsche, Frank Charles (P) : Adding Machine [7.39%]
-
Patent:US1296380
04.03.1919 Warren Fuhrmann Edward M. Squarey Wilkinson Brothers and Comp. Inc. : Key Actuated Keyboard Release [28.39%]
-
Patent:US1311384
29.07.1919 William F. Drew : Electric keyboard for calculating-machines, typewriting machines, and the like [27.50%]
-
Patent:US1318135
07.10.1919 Michele Guglielmo de Simone New York Calculating Machine Comp. Inc. : Keyboard mechanism [27.46%]
-
Patent:US1325625
23.12.1919 B. M. Des Jardins : Multiplicating Machine [14.31%]
-
Patent:US1327319
06.01.1920 C. W. Gooch : Adding Machine [9.39%]
-
Patent:US1327320
06.01.1920 C. W. Gooch : Adding Machine [4.08%]
-
Patent:US1336192
06.04.1920 A. Briechle Wales Adding Machine Company : Accounting Machine [7.05%]
-
Patent:US1336836
13.04.1920 Harvey Corbin : Paper-support for combined adding and typewriting machines [6.64%]
-
Patent:US1354839
05.10.1920 Phinney, Edgar (P) Monroe (P) Calculating Machine Comp. : Keyboard clearing means for registers [28.68%]
-
Patent:US1391072
20.09.1921 W. J. Pasinski : Adding Machine [10.99%]
-
Patent:US1398576
22.11.1921 Shipley, Bernis (P) : Cash Register [3.93%]
-
Patent:US1432616
17.10.1922 E.E. Phinney Monroe (P) Calculating Machine Co : Keyboard clearing means for calculating machines [25.71%]
-
Patent:US1448809
20.03.1923 William Moeller Wales Adding Machine Company : Calculating Machine [6.47%]
-
Patent:US1449009
20.03.1923 Landsiedel, Harry (P) Dalton (P) Adding Machine Company : Adding and listing machine [4.22%]
-
Patent:US1449639
27.03.1923 Turck, Joseph Abraham Valentine (P) : Calculating Machine [10.16%]
-
Patent:US1465871
21.08.1923 Schaller, Carl (P) Grimme, Natalis u. Co. (P) : Calculating Machine [7.50%]
-
Patent:US1474230
13.11.1923 E. F. Britten, Jr. : Calculating Machine [6.16%]
-
Patent:US1474238
13.11.1923 Chase, George Clinton (P) : Selector Mechanism for Calculating Machines [11.65%]
-
Patent:US1474533
20.11.1923 Latshaw Charles E : Decimal-point calculator [6.50%]
-
Patent:US1480259
08.01.1924 Greiner Louis C : Cabinet for calculating machines [12.00%]
-
Patent:US1481487
22.01.1924 Sundstrand, Oscar (P) Rockford Milling Machine Compa : Adding and listing machine [9.32%]
-
Patent:US1484237
19.02.1924 Rauchwetter, Franz (P) : Adding Machine [9.24%]
-
Patent:US1492842
06.05.1924 Rudolf Fries : Sound-deadening case for typewriters, calculating machines, and the like [18.30%]
-
Patent:US1504741
12.08.1924 Chase, George Clinton (P) : Counting Wheel Carry Mechanism [6.72%]
-
Patent:US1510917
07.10.1924 Bindschedler, Theodore (P) Burroughs (P) : Time switch for adding machines [3.99%]
-
Patent:US1514721
11.11.1924 A. Pentencost : Eliminating Mechanism for Calculating Machines [7.87%]
-
Patent:US1518478
09.12.1924 Bernau, Frederick (P) : Date Printer [3.85%]
-
Patent:US1521945
06.01.1925 Roy Harding Ernest Le : Adjustable worktable for adding machines and adding-machine stands [14.29%]
-
Patent:US1526871
17.02.1925 W. H. Schuerman : Adding Machine [9.69%]
-
Patent:US1526931
17.02.1925 Rauchwetter, Franz (P) : Totalizer Engaging Machansim for Calculating Machines [13.30%]
-
Patent:US1533045
07.04.1925 Eliot S. Staples : Adding Machine [4.18%]
-
Patent:US1534938
21.04.1925 L. Fournier et al : Keyboard of Calculating Machines [14.78%]
-
Patent:US1549101
11.08.1925 Charles Wales Federal Adding Machines Inc : Motor-driven calculating machine [7.55%]
-
Patent:US1550326
18.08.1925 Rudow Rummler : Drive mechanism for calculating machines [3.90%]
-
Patent:US1558947
27.10.1925 M. Teetor : Calculating Machine [10.14%]
-
Patent:US1566650
22.12.1925 Chase, George Clinton (P) : Operating Means for Calculators [7.10%]
-
Patent:US1583102
04.05.1926 Sundstrand, Oscar (P) Rockford Milling Machine Compa : Adding and listing machine [3.80%]
-
Patent:US1589347
22.06.1926 F. W. Barkley : Calculating Machine [6.64%]
-
Patent:US1626889
03.05.1927 Sundstrand, Oscar (P) Sundstrand (P) : Adding and Listing Machine [6.72%]
-
Patent:US1634990
05.07.1927 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.32%]
-
Patent:US1640493
30.08.1927 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [4.58%]
-
Patent:US1684001
11.09.1928 Alfred Weiland Harold R. Russell Charles A. Mezger Remington (P) Rand Inc : Alphabetical keyboard punch [27.83%]
-
Patent:US1690488
06.11.1928 Horton, Allen (P) Burroughs (P) : Cushioning mechanism for calculating machines [3.90%]
-
Patent:US1701436
05.02.1929 Baker Harry E : Punching mechanism for use with adding machines [7.00%]
-
Patent:US1707094
26.03.1929 Puttemans, Hubert Auguste (P) et al : Adding Machine [6.57%]
-
Patent:US1732231
22.10.1929 Horton, Allen (P) Burroughs (P) : Keyboard for calculating machines [16.08%]
-
Patent:US1734069
05.11.1929 Barrett, Glenn (P) Portable Adding Machine Compan : Listing mechanism for adding machines [10.16%]
-
Patent:US1734538
05.11.1929 Strother Robert H Remington Accounting Machine C : Calculating Machine [4.66%]
-
Patent:US1742534
07.01.1930 Gubelmann, William S. (P) : Duplicate-printing mechanism for calculating and like machines [3.89%]
-
Patent:US1751609
25.03.1930 Turck, Joseph Abraham Valentine (P) : Calculating Machine [10.41%]
-
Patent:US1781689
18.11.1930 Horton, Allen (P) Burroughs (P) : Controlling mechanism for power-driven calculating machines [4.24%]
-
Patent:US1784862
16.12.1930 Barrett, Glenn (P) J. Portable Adding Machine Compan : Adding Machine [15.78%]
-
Patent:US1792644
17.01.1931 Kuhrt, Ernst (P) : Calculating Machine [3.93%]
-
Patent:US1793155
17.02.1931 E. F. Britten Jr. : Calculating Machine [22.99%]
-
Patent:US1794514
03.03.1931 Chase, George Clinton (P) Monroe (P) : Driving mechanism for calculating machines [8.22%]
-
Patent:US1801484
21.04.1931 John Bricken Monroe (P) Calculating Machine Comp. : Keyboard for calculating machines [27.46%]
-
Patent:US1801902
21.04.1931 E. F. Britten, Jr. : Calculating Machine [7.65%]
-
Patent:US1803464
05.05.1931 A. S. Dennis : Attachement for Calculating Machines [8.41%]
-
Patent:US1807192
26.05.1931 E. F. Britten, Jr. : Attachement for Calculating Machines [13.03%]
-
Patent:US1811353
23.06.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [10.41%]
-
Patent:US1811397
23.06.1931 L. W. Langford : Record Making Mechanism [14.36%]
-
Patent:US1811607
23.06.1931 E. F. Britten, Jr. : Calculating Machine [6.45%]
-
Patent:US1812130
30.06.1931 Barrett, Glenn (P) Portable Adding Machine Compan : Adding and listing machine [6.56%]
-
Patent:US1812161
30.06.1931 Orin Mapel Clarence Portable Adding Machine Compan : Printing Mechanism for Calculating Machines [5.86%]
-
Patent:US1815997
28.07.1931 Downs Williams Clyde : Keyboard for perforating, adding, and calculating machines [6.55%]
-
Patent:US1818548
11.08.1931 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [8.73%]
-
Patent:US1818790
11.08.1931 Chase, George Clinton (P) : Calculating Machine [18.88%]
-
Patent:US1823859
15.09.1931 Hosack, Francis (P) : Calculating Machine [13.01%]
-
Patent:US1827837
20.10.1931 Chase, George Clinton (P) : Calculating Machine [11.78%]
-
Patent:US1837785
22.12.1931 F. Masch : Switch Mechanism for Calculating Machines [3.95%]
-
Patent:US1841170
12.01.1932 Chase, George Clinton (P) : Calculating Machine [7.16%]
-
Patent:US1845863
16.02.1932 Chase, George Clinton (P) : Calculating Machine [8.06%]
-
Patent:US1848106
08.03.1932 Carroll, Fred M. (P) Tabulating Machine (P) : Key adding device for tabulating machines [6.62%]
-
Patent:US1849169
15.03.1932 E. F. Britten, Jr. : Calculating Machine [5.39%]
-
Patent:US1849349
15.03.1932 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [6.92%]
-
Patent:US1853051
12.04.1932 Horton, Allen (P) Burroughs (P) : Keyboard for calculating machines [17.42%]
-
Patent:US1854875
19.04.1932 N. White : Adding Machine [12.13%]
-
Patent:US1857356
10.05.1932 Chase, George Clinton (P) et al : Calculating and Listing Machine [10.69%]
-
Patent:US1858290
17.05.1932 E. C. Walter : Calculating Machine [6.67%]
-
Patent:US1858295
17.05.1932 H. E. Enders : Calculating Machine [12.26%]
-
Patent:US1858321
17.05.1932 Chase, George Clinton (P) et al : Calculating Machine [7.30%]
-
Patent:US1858397
17.05.1932 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [7.46%]
-
Patent:US1858778
17.05.1932 Burroughs (P) : Support and housing for calculating machines [5.92%]
-
Patent:US1859195
17.05.1932 Chase, George Clinton (P) : Variable Speed Transmission for Registers [5.77%]
-
Patent:US1860490
31.05.1932 E. F. Britten, Jr. : Attachement for Calculating Machines [6.65%]
-
Patent:US1868407
19.07.1932 L. R. Brown et al : Calculating Machine [11.16%]
-
Patent:US1870699
09.08.1932 Turck, Joseph Abraham Valentine (P) : Calculating Machine [13.61%]
-
Patent:US1877802
20.09.1932 Britten, Edwin (P) Monroe (P) Calculating Machine : Calculating Machine [13.07%]
-
Patent:US1878757
20.09.1932 Chase, George Clinton (P) : Decimal Equivalent Selector Mechanism [13.10%]
-
Patent:US1883760
18.10.1932 J. Bricken, now by judical change of name J. G. Beaver Monroe (P) Calculating Machine Company : Calculating Machine [8.92%]
-
Patent:US1884189
25.10.1932 N. W. Perkins : Combined Calculating and Card Printing and Perforating Machine [12.88%]
-
Patent:US1899444
28.02.1933 Mehan, Thomas O. (P) Remington Rand (P) Inc : Adding and listing machine [4.34%]
-
Patent:US1900042
07.03.1933 L. R. Brown : Calculating Machine [15.00%]
-
Patent:US1902598
21.03.1933 Turck, Joseph Abraham Valentine (P) : Calculating Machine [7.54%]
-
Patent:US1905579
25.04.1933 Turck, Joseph Abraham Valentine (P) : Calculating Machine [18.71%]
-
Patent:US1906063
25.04.1933 S. Hilder : Keyboard for Registers [17.40%]
-
Patent:US1911863
30.05.1933 Webner Frank E Webner Devices Inc : Mechanical calculator [3.78%]
-
Patent:US1915296
27.06.1933 Crosman, Loring Pickering (P) Gardner (P) Comp. : Register [6.51%]
-
Patent:US1916610
04.07.1933 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [6.90%]
-
Patent:US1916611
04.07.1933 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.85%]
-
Patent:US1926827
12.09.1933 Turck, Joseph Abraham Valentine (P) : Calculating Machine [4.00%]
-
Patent:US1927856
26.09.1933 Ferris Roy (P), Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine [11.35%]
-
Patent:US1929625
10.10.1933 Crosman, Loring Pickering (P) Gardner (P) Comp. : Calculating Machine [4.15%]
-
Patent:US1930871
17.10.1933 William Ball British Adding And Calculating : Calculating Machine [10.43%]
-
Patent:US1936046
21.11.1933 Chase, George Clinton (P) : Calculating Machine [9.29%]
-
Patent:US1936903
28.11.1933 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [15.68%]
-
Patent:US1938168
05.12.1933 William Ball British Adding And Calculating : Printing Mechanism for Calculating Machines [6.76%]
-
Patent:US1938907
12.12.1933 Hosack, Francis (P) : Calculating Machine [7.12%]
-
Patent:US1941309
26.12.1933 O. Koch : Calculating Machine [4.66%]
-
Patent:US1945027
30.01.1934 Crosman, Loring Pickering (P) Gardner (P) Calculator Company : Listing Calculator [3.89%]
-
Patent:US1948958
27.02.1934 Coxhead, Ralph (P), Norton, Charles (P) Brunsviga (P) : Adding machine frame construction [9.21%]
-
Patent:US1949445
06.03.1934 Barrett, Glenn (P) Portable Adding Machine Compan : Adding Machine [10.43%]
-
Patent:US1949918
06.03.1934 Muller, Robert (P) Burroughs (P) : Calculating Machine [4.00%]
-
Patent:US1954618
10.04.1934 Coxhead, Ralph (P), Norton, Charles (P) Brunsviga (P) : Adding machine printing mechanism [4.06%]
-
Patent:US1957617
08.05.1934 Siewert, Karl (P) Original Odhner (P) Ab : Calculating Machine [6.72%]
-
Patent:US1957950
08.05.1934 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.31%]
-
Patent:US1958970
15.05.1934 Luttropp, Conrad (P), Anders Lindahl : Calculating Machine [6.80%]
-
Patent:US1962731
12.06.1934 Bryce, James (P) : Sorting Machine [3.86%]
-
Patent:US1964211
26.06.1934 Overbury, Austin A. (P) Monroe (P) : Calculating Machine [8.23%]
-
Patent:US1964975
03.07.1934 E. F. Britten, Jr. : Calculating Machine [4.41%]
-
Patent:US1980579
13.11.1934 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [11.24%]
-
Patent:US1983945
11.12.1934 Petter, Guy Bazeley (P) Petters Ltd. : Calculating or Adding Machine [9.32%]
-
Patent:US1986193
01.01.1935 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [4.12%]
-
Patent:US1986875
08.01.1935 Avery, Harold (P) : Calculating Machine [3.94%]
-
Patent:US1987015
08.01.1935 L. N. Lehman : Overdraft Control of Ribbon Mechanism [11.64%]
-
Patent:US1988904
22.01.1935 Joseph Krell : Address printing and calculating machine [4.35%]
-
Patent:US1993834
12.03.1935 Friden, Carl Mauritz Fredrick (P) Marchant (P) Calculating Machine Company : Calculating Machine [4.10%]
-
Patent:US2004282
11.06.1935 Horton, Allen (P) Burroughs (P) : Driving mechanism for calculating machines [3.87%]
-
Patent:US2014013
10.09.1935 Avery, Harold (P) et al Marchant (P) : Calculating Machine [6.78%]
-
Patent:US2014432
17.09.1935 Guido Gerhold : Auxiliary keyboard [30.86%]
-
Patent:US2018933
29.10.1935 Turck, Joseph Abraham Valentine (P) : Idle Lock for Calculating Machine [7.04%]
-
Patent:US2021393
19.11.1935 Turck, Joseph Abraham Valentine (P) : Calculating Machine [15.22%]
-
Patent:US2022103
26.11.1935 Avery, Harold (P) et al Marchant (P) : Calculating Machine [7.69%]
-
Patent:US2022823
03.12.1935 Racz, Ernest (P) Burroughs (P) : Calculating Machine [3.93%]
-
Patent:US2027565
14.01.1936 B. C. Stickney : Tabulating Device [4.08%]
-
Patent:US2028540
21.01.1936 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [12.06%]
-
Patent:US2032168
25.02.1936 Alexander Adolf Carlo Degen Bell Punch (P) Comp. Ltd : Keyboard [28.97%]
-
Patent:US2034085
17.03.1936 Chase, George Clinton (P) : Calculating Machine [12.74%]
-
Patent:US2042342
26.05.1936 F. A. Kaiser : Calculating Machine [19.49%]
-
Patent:US2042986
02.06.1936 Haase, Richard (P) : Calculating Machine [7.18%]
-
Patent:US2043021
02.06.1936 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) Mfg. Comp. : Keyboard for calculating machines and the like [28.68%]
-
Patent:US2045021
23.06.1936 Muller, Robert (P) : Calculating Machine [11.44%]
-
Patent:US2046820
07.07.1936 S. Hilder : Calculating Machine [11.77%]
-
Patent:US2061667
24.11.1936 Muller, Robert (P) Burroughs (P) : Calculating Machine [4.25%]
-
Patent:US2062731
01.12.1936 Charles Schroder Allen Wales (P) Adding Machine : Calculating Machine [8.42%]
-
Patent:US2063740
08.12.1936 R. R. Henderson : Calculating Machine [6.56%]
-
Patent:US2072989
09.03.1937 G. Lerch et al Marchant (P) : Calculating Machine [17.53%]
-
Patent:US2074017
16.03.1937 Samuel Brand, Fuller Frederick IBM (P) : Ten-key adding machine [3.78%]
-
Patent:US2075375
30.03.1937 Turck, Joseph Abraham Valentine (P) : Calculating Machine [7.93%]
-
Patent:US2082282
01.06.1937 Garbell, Max (P) Victor (P) : Printing mechanism for adding and recording machines [4.27%]
-
Patent:US2084445
22.06.1937 Kottmann, August (P) Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik) : Combined calculating and typewriting machine [4.16%]
-
Patent:US2087182
13.07.1937 Crosman, Loring Pickering (P) Gardner (P) Calculator Company : Listing Adding Machine [13.34%]
-
Patent:US2088434
27.07.1937 Racz, Ernest (P) Burroughs (P) : Calculating Machine [4.04%]
-
Patent:US2091728
31.08.1937 Clark Harold McCaskey Register Company : Key release for calculating machines [10.07%]
-
Patent:US2091778
31.08.1937 Garbell, Max (P) Victor (P) Adding Machine Co. : Keyboard construction and key [30.20%]
-
Patent:US2096509
19.10.1937 Garbell, Max (P) Victor (P) : Paper drive means for adding machines [4.43%]
-
Patent:US2107142
01.02.1938 Crosman, Loring Pickering (P) Gardner (P) Calculator Company : Listing Adding Machine [4.11%]
-
Patent:US2107374
08.02.1938 Friedrich Ewald Heinrich Konra Wanderer (P) Werke Vorm Winklhofer : Device for calculating machines, accounting machines, writing and like machines [6.80%]
-
Patent:US2119003
31.05.1938 Marie Bister Germain Justin : Calculating Machine [17.47%]
-
Patent:US2121683
21.06.1938 Britten, Edwin (P) Gardner (P) Calculator Company : Calculating Machine [11.18%]
-
Patent:US2127673
23.08.1938 Christian, Raymond A. (P) NCR (P) : Calculating Machine [6.28%]
-
Patent:US2139131
06.12.1938 Muller, Robert (P) Burroughs (P) : Calculating Machine [3.87%]
-
Patent:US2139169
06.12.1938 Muller, Robert (P) Burroughs (P) : Calculating Machine [3.87%]
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Patent:US2142286
03.01.1939 Petter, Guy Bazeley (P) : Calculating or Adding Machine [18.52%]
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Patent:US2142341
03.01.1939 Arnold, Charles (P) NCR (P) : Switch for electric drives for calculating machines [3.83%]
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Patent:US2148760
28.02.1939 G. Lerch Marchant (P) : Calculating Machine [7.12%]
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Patent:US2149338
07.03.1939 H. E. Enders : Calculating Machine [5.45%]
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Patent:US2150578
14.03.1939 Chase, George Clinton (P) : Calculating Machine [6.36%]
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Patent:US2153194
04.04.1939 W. S. Lemmon et al : System of Coding and Decoding [4.14%]
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Patent:US2174150
26.09.1939 Beria, Biagio Società Anonima Officine Villar Perosa ( RIV (P) ) : Keyboard for Cash Registers and Other Calculating Machines [28.11%]
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Patent:US2176145
17.10.1939 Nelson, Gunnar (P) NCR (P) : Cash register [6.66%]
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Patent:US2176640
17.10.1939 Payne, Walter B. (P) Todd (P) Comp. : Keyboard construction [30.20%]
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Patent:US2192324
05.03.1940 Muller, Robert (P) Burroughs (P) : Paper equipment for calculating machines [3.81%]
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Patent:US2193885
19.03.1940 L. S. Riley : Music Chart [18.43%]
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Patent:US2200588
14.05.1940 Avery, Harold (P) Marchant (P) : Calculating Machine [6.99%]
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Patent:US2202948
04.06.1940 A. J. Fettig : Calcualting Machine [9.46%]
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Patent:US2204239
11.06.1940 Swanson, Oscar (P) Underwood Elliott-Fisher (P) Comp. : Calculating machine keyboard [28.68%]
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Patent:US2216636
01.10.1940 W. A. Webb Marchant (P) : Calculating Machine [6.93%]
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Patent:US2216659
01.10.1940 Avery, Harold (P) Marchant (P) : Calculating Machine [9.36%]
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Patent:US2217195
08.10.1940 Avery, Harold (P) : Calculating Machine [11.18%]
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Patent:US2222164
19.11.1940 Avery, Harold (P) Marchant (P) : Calculating Machine [14.16%]
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Patent:US2223196
26.11.1940 Watkins Edwin R : Cabinet for calculating machines and the like [9.57%]
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Patent:US2224203
10.01.1940 Turck, Joseph Abraham Valentine (P) et al : Locking Mechanism for Calculating Machine [8.90%]
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Patent:US2229630
28.01.1941 Avery, Harold (P) Marchant (P) : Calculating Machine [7.96%]
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Patent:US2229889
28.01.1941 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [15.62%]
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Patent:US2229901
28.01.1941 A. I. Richards Friden (P) : Calculating Machine [6.74%]
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Patent:US2240797
06.05.1941 W. J. Pasinski : Calculating Machine [8.06%]
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Patent:US2251097
29.06.1941 W. A. Anderson : Accounting Machine [11.72%]
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Patent:US2252621
12.08.1941 Eichler, Ulrich (P) (Diehl (P)) : Calculating Machine [20.24%]
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Patent:US2253229
19.08.1941 Christian, Raymond A. (P) NCR (P) : Calculating Machine [8.91%]
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Patent:US2255030
02.09.1941 Henry L. Tholstrup IBM (P) : Keyboard locking device [30.20%]
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Patent:US2255909
16.09.1941 Avery, Harold (P) Marchant (P) : Calculating Machine [16.94%]
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Patent:US2256799
23.09.1941 Avery, Harold (P) Marchant (P) : Calculating Machine [12.04%]
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Patent:US2260827
28.10.1941 Booker Eugene R : Calculating Machine [8.33%]
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Patent:US2261115
04.11.1941 Rolf Hofgaard : Keyboard of calculating machines [30.20%]
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Patent:US2263033
18.11.1941 Fettig, Arthur (P) Burroughs (P) : Calculating Machine [4.29%]
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Patent:US2265626
09.12.1941 Butler, Thomas M. (P) Burroughs (P) : Calculating Machine [12.11%]
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Patent:US2269931
13.01.1942 Fettig, Arthur (P) Burroughs (P) : Calculating Machine [4.20%]
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Patent:US2270573
20.01.1942 Avery, Harold (P) Marchant (P) : Calculating Machine [13.04%]
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Patent:US2271240
27.01.1942 Avery, Harold (P) Marchant (P) : Calculating Machine [20.32%]
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Patent:US2277498
24.03.1942 Mehan, Thomas O. (P) Victor (P) : Adding Machine [4.39%]
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Patent:US2279456
14.04.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [17.81%]
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Patent:US2280593
21.04.1942 Maffei Dominick A : Harmonic Slide Rule [11.26%]
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Patent:US2280920
28.04.1942 Landsiedel, W.W. Remington Rand (P) Inc.. : Computing Machine [6.85%]
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Patent:US2281742
05.05.1942 Bradt, Charles (P) Smith and Corona (P) Typewriters : Adding Machine [13.31%]
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Patent:US2282029
05.05.1942 Bryce, James (P) : Recording Device [8.71%]
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Patent:US2287151
23.06.1942 Turck, Joseph Abraham Valentine (P) : Calculating Machine [3.76%]
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Patent:US2291133
28.07.1942 Avery, Harold (P) : Calculating Machine [6.96%]
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Patent:US2291134
28.07.1942 Avery, Harold (P) : Calculating Machine [12.89%]
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Patent:US2291135
28.07.1942 Avery, Harold (P) : Calculating Machine [6.83%]
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Patent:US2291949
04.08.1942 Chase, George (P) Monroe (P) : Listing Adding Machine [3.89%]
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Patent:US2294083
25.08.1942 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.07%]
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Patent:US2294948
08.09.1942 Avery, Harold (P) Marchant (P) Calculating Machine Co., CA : Calculating Machine [7.22%]
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Patent:US2301591
10.11.1942 C. Sutton : Cylindrical Slide Rule [10.85%]
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Patent:US2310281
09.02.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [7.84%]
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Patent:US2311354
16.02.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [18.03%]
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Patent:US2311928
23.02.1943 Buehler, Robert Oswald (P) Victor (P) Adding Machine Company : Adding machine base [5.61%]
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Patent:US2315780
06.04.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [7.01%]
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Patent:US2325388
27.07.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [17.21%]
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Patent:US2326413
10.08.1943 Thompson, George (P) : Harmonic Calculator [3.59%]
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Patent:US2327981
31.08.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [7.31%]
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Patent:US2330512
28.09.1943 Moody, John L. (P) Friden (P) : Calculating Machine [6.52%]
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Patent:US2331827
12.10.1943 A. S. Dennis Friden (P) : Typewriter [6.69%]
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Patent:US2335226
30.11.1943 Avery, Harold (P) Marchant (P) Calculating Machine Co., CA : Calculating Machine [6.75%]
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Patent:US2339321
18.01.1944 Crosman, Loring Pickering (P) Monroe (P) Calculating Machine : Adding and listing machine [8.84%]
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Patent:US2340261
25.01.1944 Ulrich Eichler : Calculating and registering machine [10.59%]
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Patent:US2347607
25.04.1944 Muller, Robert (P) Burroughs (P) : Calculating Machine [8.89%]
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Patent:US2352279
27.06.1944 Mehan, Thomas O. (P) : Detachable Spool Mounting [4.29%]
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Patent:US2355637
15.08.1944 Faigle, René : Keyboard for calculating machines [30.53%]
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Patent:US2356714
22.08.1944 Webb, Christopher Frederick (P) Plus adder, Bell Punch (P) Company, UK : Calculating Machine [19.10%]
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Patent:US2360704
17.10.1944 Moody, John L. (P) Friden (P) : Calculating Machine [6.94%]
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Patent:US2362702
14.11.1944 Krieger Samuel I : Calculating Machine [13.59%]
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Patent:US2363737
28.11.1944 Machado, Antony (P) Friden (P) : Calculating Machine [7.30%]
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Patent:US2364540
05.12.1944 Luhn, Hans P. (P) IBM (P) : Calculating Machine [9.93%]
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Patent:US2368311
14.08.1937 Llorens, Louis M. (P) Swift (P) : Computing and Listing Machine [9.28%]
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Patent:US2376997
29.05.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [17.31%]
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Patent:US2377707
05.06.1945 Mehan, Thomas O. (P) Victor (P) : Control switch for calculating machines [3.97%]
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Patent:US2377767
05.06.1945 H. M. Dustin et al Marchant (P) : Automatic Normalizing Mechanism for Calculating Machines [12.41%]
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Patent:US2381424
07.08.1945 Danielson Raymond W : Calculating Device [3.75%]
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Patent:US2381788
07.08.1945 Turck, Joseph Abraham Valentine (P) : Carry Foil Mechanism [3.90%]
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Patent:US2388211
30.10.1945 Machado, Antony (P) Friden (P) : Constant Multiplier Control [7.16%]
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Patent:US2389062
13.11.1945 Lambert Harry L Allen Wales Adding Machine Cor : Calculating Machine [12.59%]
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Patent:US2391089
18.12.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Keyboard Release Mechanism [25.97%]
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Patent:US2391098
18.12.1945 Machado, Antony (P) Friden (P) : Calculating machine [11.69%]
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Patent:US2391825
25.12.1945 Fettig, Arthur (P) Burroughs (P) : Calculating Machine [6.19%]
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Patent:US2394925
12.02.1946 Luhn, Hans P. (P) IBM (P) : Electrical calculating machine [8.65%]
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Patent:US2398286
09.04.1946 Carlström, Bengt et al Facit (P) : Calculating Machine [12.60%]
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Patent:US2399170
30.04.1946 Chase, George Clinton (P) Monroe (P) : Calculating Machine [11.59%]
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Patent:US2399917
07.05.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine [7.49%]
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Patent:US2400244
14.05.1946 Mathi, W. E. (P) Marchant (P) : Calculating Machine [7.11%]
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Patent:US2401473
04.06.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine [15.32%]
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Patent:US2402569
25.06.1946 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Key responsive calculating machine [3.85%]
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Patent:US2403273
02.07.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine [11.67%]
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Patent:US2416809
04.01.1947 Avery, Harold (P) Marchant (P) : Selective Normalizing Mechanism for Calculating Machines [12.87%]
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Patent:US2422103
10.06.1947 Lambert, H. L. (P) : Duplex Calculating Machine [26.77%]
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Patent:US2427271
09.09.1947 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Multiplier Correction Mechanism [14.29%]
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Patent:US2430574
11.11.1947 Laiho, Jalmer (P) : Calculating Machine [17.18%]
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Patent:US2430575
11.11.1947 Laiho, Jalmer (P) : Key-Responsive Calculating Machine [6.84%]
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Patent:US2432527
16.12.1947 Paul W. Lang Sidney Robert Gordon : Keyboard control system [28.97%]
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Patent:US2434681
20.01.1948 Williams Samuel B Bell Telephone Labor Inc : Remotely controlled electrical calculator [11.13%]
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Patent:US2435130
27.01.1948 Cunningham, R. N. (P) : Cryptographic Attachement for Typewriter Keys [9.36%]
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Patent:US2445225
13.07.1948 Lambert, H. L. (P) : Calculating Machine [23.02%]
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Patent:US2447108
17.08.1948 Avery, Harold (P) Marchant (P) Calculating Machine Comp. : Keyboard clearing mechanism by [29.27%]
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Patent:US2453926
16.11.1948 Moody, John L. (P) Friden (P) : Revolution Counter Actuator [6.88%]
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Patent:US2455443
07.12.1948 Sarnoff, D. (P) : Secret Radio Signalling System [3.70%]
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Patent:US2467441
19.04.1949 Noller, H. F. (P) et al : Early Value Setting Mechanism [28.39%]
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Patent:US2469627
10.05.1949 Bowman John R Gulf Research Development Co : Calculating machine for solving simultaneous equations [3.71%]
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Patent:US2470300
17.05.1949 Gang, Herman (P) Monroe (P) : Nonrepeat Means for Calculating Machines [6.64%]
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Patent:US2483459
04.10.1949 Grip, Erik Konrad (P) : Calculating Machine [7.37%]
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Patent:US2490200
06.12.1949 Boyden, Robert E. (P) : Differential Actuating Mechanism [6.47%]
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Patent:US2492262
27.12.1949 Boyden, Robert E. (P) et al : Cover for Calculating Machies and the like [12.67%]
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Patent:US2492263
27.12.1949 Boyden, Robert E. (P) Clary Multiplier Corp : Type wheel detent means on calculating machines [8.83%]
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Patent:US2495832
31.01.1950 Boyden, Robert E. (P) : Keyboard for Calculating Machines [24.88%]
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Patent:US2497784
14.02.1950 Mehan, Thomas O. (P) et al : Calculating Machine and Remote Control Mechanism Therefor [7.04%]
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Patent:US2501447
21.03.1950 Lambert, H. L. (P) : Calculating Machine Fractional Keyboard Control Mechanism [20.79%]
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Patent:US2502300
28.03.1950 Young, L. (P) : Quartertone Slide Rule for Musicians [13.14%]
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Patent:US2502321
28.03.1950 Harrison, W. M. (P) Marchant (P) : Carriage Positioning Control Mechanism [8.12%]
-
Patent:US2512860
27.06.1950 Henrich, W. H. (P) : Control Means for Electric Typewriters [4.11%]
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Patent:US2515442
18.07.1950 Drake, E. P. (P) : Calculating Machine [7.00%]