Patent
Suchergebnisse für: Comptometer
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Patent:CA555598
08.04.1958 Lawrence W. Brugman, Raymond F. Koch Comptometer (P) Corp.
: Calculating machine
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Patent:CA568285
30.12.1958 Emil C. Walker, jr. Comptometer (P) Corporation
: Mechanism for adjusting the resistance to key depressions in calculating machines
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Patent:CA593631
01.03.1960 Raymond J. Koch Comptometer (P) Corp.
: Calculating machine
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Patent:CA630098
31.10.1961 Richard T. Prince Comptometer (P) Corp.
: Calculating-recording apparatus
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Patent:DE235371
26.01.1910 Felt und Tarrant (P) : Addiermaschine
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Patent:DE237660
16.03.1909 Felt und Tarrant (P) : Nullstellvorrichtung für Addiermaschinen
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Patent:DE284268
28.11.1912 Felt, Dorr E. (P) Felt und Tarrant (P) : Rechenmaschine
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Patent:DE310417
12.07.1913 Felt, Dorr E. (P) Felt und Tarrant (P) : Rechenmaschine
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Patent:DE383972
05.10.1919 Felt und Tarrant (P) : Nullstellvorrichtung für Rechenmaschinen
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Patent:DE395707
23.05.1924 Felt und Tarrant (P) : Nullstellvorrichtung für Rechennmaschinen
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Patent:FR1293204
02.04.1962 von Heitlinger, Eugene Comptometer (P) Corp. : Machines à calculer
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Patent:GB148292
09.01.1922 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or connected with Calculating machines
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Patent:GB154603
27.03.1922 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) :
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Patent:GB181043
06.06.1922 Felt und Tarrant (P) : Improvements in Calculating Machines
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Patent:GB190925766
15.09.1910 Felt, Dorr E. (P) : Improvements relating to Calculating Machines
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Patent:GB207070
22.11.1923 Felt und Tarrant (P) :
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Patent:GB341435
09.01.1931 Felt und Tarrant (P) :
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Patent:GB551707
05.03.1943 Felt und Tarrant (P) : Improvements in or relating to numeral wheels or the like
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Patent:GB551994
18.03.1943 Felt und Tarrant (P) :
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Patent:GB553198
12.05.1943 Felt und Tarrant (P) :
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Patent:GB556239
27.09.1943 Felt und Tarrant (P) :
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Patent:GB566376
16.09.1942 Felt und Tarrant (P) : Calculating-machine
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Patent:GB600485
22.06.1945 Stevens, A. H. Felt und Tarrant (P) : Improvements in or Relating to Calculating Machines
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Patent:GB601375
23.07.1943 Felt und Tarrant (P) : Improvements in or Relating to Calculating Machines
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Patent:GB601427
05.05.1948 Felt und Tarrant (P) : Improvements in or relating to Calculating Machines
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Patent:GB640347
19.07.1950 Felt und Tarrant (P) :
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Patent:GB640445
19.07.1950 Felt und Tarrant (P) :
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Patent:GB650728
28.02.1951 Felt und Tarrant (P) : Improvements in or relating to finger-operable actuator buttons for calculating machines, typewriters and other office machines
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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
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Patent:GB712750
28.07.1954 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Improvements in or relating to calculating machines
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Patent:GB752591
11.07.1956 Felt und Tarrant (P) : Improvements in or relating to calculating machines
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Patent:GB771816
03.04.1957 Felt und Tarrant (P) : Improvements in or relating to calculating machines
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Patent:GB860605
08.02.1961 Comptometer (P) Corp : A calculating-recording apparatus
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Patent:US1074704
07.10.1913 Felt, Dorr E. (P) : Calculating Machine
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Patent:US1088219
24.02.1914 Felt, Dorr E. (P) Felt und Tarrant (P) : Calculating Machine
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Patent:US1333277
09.03.1920 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Printing cut-out for adding-machines
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Patent:US1840378
12.01.1932 C. Wittenmyer Felt und Tarrant (P) : Calculating Machine
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Patent:US1927856
26.09.1933 Ferris Roy (P), Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine
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Patent:US2060702
10.11.1936 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Calculating Machine
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Patent:US2402569
25.06.1946 Niemann, Frederick (P) Adolph Felt und Tarrant (P) : Key responsive calculating machine
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Patent:US2734683
14.01.1956 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Total Transfer Mechanism
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Patent:US2753117
03.07.1956 Walker, E. C. (P) Felt und Tarrant (P) : Mechanism for Adjusting the Resistance to Key Depressions in Calculating Machines
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Patent:US2759671
21.01.1956 Turck, Joseph Abraham Valentine (P) Felt und Tarrant (P) : Key-Responsive Adding and Subtracting Calculating Machine
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Patent:US2956741
18.10.1960 Webb, Christopher Frederick (P) Bell Punch (P) : Key-Responsive Calc Mach Capable of Effecting Semi-Automatic Multiplication
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Patent:US3009634
21.11.1961 Allward Comptometer (P) : Ten-Key Calculating Machines
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Patent:US3217984
16.11.1965 Heitlinger Victor (P) Comptometer (P) : Sectionalized Solenoid-Actuated Calc Mach
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Patent:US371496
11.01.1887 Felt, Dorr E. (P) : Adding Machine
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Patent:US441232
25.01.1890 Felt, Dorr E. (P) : Type Writing Machine
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Patent:US441233
25.11.1890 Felt, Dorr E. (P) : Adding and Recording Machine
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Patent:US661121
06.11.1900 Felt, Dorr E. (P) : Calculating Machine
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Patent:USD113817
14.03.1939 Niemann, Frederick (P) Adolph et al Comptometer (P) : Calculating Machine