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Patent:US1000363
15.08.1911 Barrett, Glenn (P) Barrett (P) Adding Machine Co. : Actuating device for key set calculating machines
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Patent:US1000562
15.08.1911 Bernard T. Steber : Slide Rule
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Patent:US1001061
22.08.1911 Joseph McC. Michaelson : Logarithmic scale
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Patent:US1001688
29.08.1911 Rinsche, Frank C. (P) Universal Adding Machine Comp. : Adding-machine
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Patent:US1002262
05.09.1911 R. A. Graber : Adding Machine
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Patent:US1002341
05.09.1911 Vincent, Jesse Gurney (P) Burroughs (P) Adding Machine Comp. : Keyboard mechanism for adding machines
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Patent:US1003086
12.09.1911 Barrett, Glenn (P) Barrett (P) Adding Machine Co. : Key set calculating machine
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Patent:US1003414
19.09.1911 Barrett, Glenn (P) Barrett (P) Adding Machine Co. : Rotary retarding mechanism for adding machines and like devices
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Patent:US1003671
19.09.1911 Tillman, Ferdinand (P) : Calculating attachment for type-writing machines
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Patent:US1003672
19.09.1911 F. J. Tillman : Adding Machine
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Patent:US1003723
19.09.1911 Felt, Dorr E. (P) : Key Action for Calculating Machines
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Patent:US1004339
26.01.1911 Avery, Harold (P) : Calculating Apparatus
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Patent:US1004682
03.10.1911 William A. Burnop George H. Spitzli : Computing and registering mechanism
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Patent:US1004877
03.10.1911 Hoch, Adam (P) Wendling-Hoch Adding Machine Comp. : Adding machine
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Patent:US1004881
03.10.1911 Kettering, Charles (P) NCR (P) : Cash register
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Patent:US1005397
10.10.1911 Wolter, Carl (P) : Transfer mechanism for the forward and backward couting device of calculating machines
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Patent:US1005555
10.10.1911 Kettering, Charles (P) NCR (P) : Cash register
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Patent:US1005592
10.10.1911 Chester Bradford : Tally box
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Patent:US1005601
10.10.1911 Church, Edmund (P) NCR (P) : Cash register
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Patent:US1005774
10.10.1911 Hoyt, Francis R. Dalton (P) Adding Machine Comp. : Operating mechanism foe adding machines
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Patent:US1006356
17.10.1911 Carrol, Thomas (P) NCR (P) : Cash register
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Patent:US1006787
24.10.1911 Charles E. Pratt A.B. Dick Comp. : Calculating-Machine
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Patent:US1007350
31.10.1911 W. H. Goodin : Adding and Registering Device
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Patent:US1007508
31.10.1911 Wiberg, Allan (P) : Adding Machine
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Patent:US1007618
31.10.1911 Trinks, Franz (P) : Calculating machine
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Patent:US1007910
07.11.1911 F. J. Baker : Ellipsograph Machine
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Patent:US1008079
11.07.1911 Schuster, Ernst (P) : Calculating machine
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Patent:US1009493
21.11.1911 J. A. Ettler : Combined Record Book and Slide Rule
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Patent:US1009886
28.11.1911 Freiherr Max von Bechtolsheim : Counting device
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Patent:US1010849
05.12.1911 Ernest J. Brasseur A.B. Dick Comp. : Calculating-machine
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Patent:US1011057
05.12.1911 Stephen Horr William B. Travis : Multiplying-machine
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Patent:US1011073
05.12.1911 Moe, Adolf Thorwald (P) Knudsen & Bommen, Addo Norwegen (P) : Calculating Machine
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Patent:US1011156
12.12.1911 Chase, George (P) : Registering mechanism for calculating machines
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Patent:US1011617
12.12.1911 Hamann, Christel (P) : Calculating Machine
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Patent:US1012463
19.12.1911 Smith, John Asbury (P) Elliott-Fisher (P) Comp. : Register for adding machines
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Patent:US1012607
26.12.1911 Degener, Gustave O. (P) Underwood (P) Computing Machine Comp. : Computing-machine
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Patent:US1012660
26.12.1911 G. Lange : Calculating Device
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Patent:US1012698
26.12.1911 Niemann, Frederick (P) Comptograph Comp. : Adding machine dash pot mechanism
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Patent:US1013030
26.12.1911 R. L. Lowery : Lumber Register
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Patent:US1019996
30.06.1911 Siegfried, Ira D. : Calculating machine
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Patent:US1032322
28.09.1911 Bly, Albert Byron (P) : Calculating Apparatus
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Patent:US1059522
12.09.1911 Bordt, Adolf (P) : Adding-machine
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Patent:US1095674
16.10.1911 Reller, Edwin L. (P) Duco (P) : Accumulator for Calculating Machines
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Patent:US1096012
30.08.1911 Behr, Bernhard (P) : ADDING-MACHINE PROVIDED WITH CHAIN DRIVE
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Patent:US980412
03.01.1911 G. H. Gibson : Slide Rule
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Patent:US980652
03.01.1911 James Mallmann George Browning Standard Adding Machine Comp. : Calculating machine
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Patent:US980765
03.01.1911 C. L. Downer : Adding Machine Attachement
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Patent:US980867
03.01.1911 R. H. Fenn : Calculating Device
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Patent:US982416
24.01.1911 Felt, Dorr E. (P) : Key for Keyboard Calculating Machine
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Patent:US982417
24.01.1911 Felt, Dorr E. (P) : Key for Keyboard Machine
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Patent:US982606
24.01.1911 J. G. Kingsbury : Adding Type Writer
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Patent:US982876
31.01.1911 G. W. Richardson : Slide Rule
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Patent:US982901
31.01.1911 Clayton Thompson Charles W. Newton : Adding-machine
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Patent:US983009
31.01.1911 Vincent, Jesse Gurney (P) Burroughs (P) Adding Machine Comp. : Adding-machine
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Patent:US983682
07.02.1911 John Albert Cheape Simplex Adder Comp. : Resetting device for adding-machines
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Patent:US984397
14.02.1911 Ira D. Siegfried : Calculating device
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Patent:US984832
21.02.1911 F. R. McBerty : Cryptograph Machine
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Patent:US984908
21.02.1911 Joseph W. Haley Charles B. Yelton : Register for lumber measurements
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Patent:US984999
21.02.1911 Brandt, Edward J. (P) Brandt Cashier Comp. : Designator, recorder and register
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Patent:US985042
21.02.1911 J. C. Lotterhand : Printing Mechanism for Adding Machines
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Patent:US985784
07.03.1911 H. S. Dailey : Engineers Leveling Rod
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Patent:US986048
07.03.1911 A. J. Diescher : Apparatue for Registering the Flow of Fluids
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Patent:US986416
07.03.1911 Young, George T. Rice und Hutchins, Inc. : Advertising adding-pocket
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Patent:US986675
14.03.1911 H. W. Bennet : Pocket Bridge Score
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Patent:US987150
21.03.1911 Marshall, Holmes Addograph (P) Mfg. Comp. : Computing-machine
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Patent:US987151
21.03.1911 H. Marshall : Game Counter
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Patent:US987186
21.03.1911 Charles B. Stilwell : Indicating mechanism
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Patent:US987273
21.03.1911 Wardwell, Simon W. Universal Winding Comp. : Counter
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Patent:US987364
21.03.1911 N. H. Holland : Registering System and Apparatus
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Patent:US988327
04.04.1911 Clarence B. Foster NCR (P) : Electric cash-register
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Patent:US988665
04.04.1911 O. B. Sanders : Instrument for Use in Navigation
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Patent:US988700
04.04.1911 Fisher, Harvey L. (P) und Vincent, Jesse G. Burroughs (P) Adding Machine Comp. : Adding machine
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Patent:US989353
11.04.1911 John P. Harrison, Jr. Burroughs (P) Adding Machine Comp. : Adding and listing machine
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Patent:US989367
11.04.1911 Klein, Max (P) und Seitter, Emil Andreas (P) : Calculating-machine
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Patent:US989670
18.04.1911 Vincent, Jesse Gurney (P) Burroughs (P) Adding Machine Comp. : Power drive for adding machines
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Patent:US990174
18.04.1911 Wales, Charles (P) Burroughs (P) Adding Machine Comp. : Adding machine
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Patent:US990240
25.04.1911 Dilworth, Edward C. (P) : Adding Device
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Patent:US990317
25.04.1911 Vincent, Jesse Gurney (P) Burroughs (P) Adding Machine Comp. : Power-drive for adding machines
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Patent:US990385
25.04.1911 John D. Pierce : Measuring and calculating instrument
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Patent:US990764
25.04.1911 Joseph Fairbanks Morse : Sun-path dial
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Patent:US990779
25.04.1911 Lorenzo D. Roberts : Calculator
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Patent:US992592
16.04.1911 Quentell, William Prehn (P) : Calculating Machine
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Patent:US992950
23.05.1911 Felt, Dorr E. (P) Felt und Tarrant (P) : Calculating Machine
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Patent:US993708
30.05.1911 V.J. Odhner : Mechanism for Disengaging Anchor Escapements in Calculating Machines
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Patent:US994238
06.06.1911 Barrett, Glenn (P) Barrett (P) Adding Machine Co. : Transfer mechanism for adding machines
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Patent:US994414
06.06.1911 Rodney H. Marchant : Calculating machine
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Patent:US994716
13.06.1911 William A. Bryant John L. Roumillat Chris J. Belgau : Computing machine
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Patent:US995466
20.06.1911 Homer K. Jones : Time-calculating machine
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Patent:US995569
20.06.1911 Rinsche, Frank C. Universal Adding Machine Comp. : Calculating machine
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Patent:US996009
20.06.1911 Felt, Dorr E. (P) : Calculating Machine
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Patent:US996039
20.06.1911 Keuffel, William (P) Keuffel und Esser (P) Comp. : Magnifier for slide rules
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Patent:US996260
27.06.1911 Kilpatrick, William J. (P) Burroughs (P) Adding Machine Comp. : Adding and listing machine
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Patent:US996402
27.06.1911 Ellis, Albert H. (P) Wyckoff, Seamans und Benedict : Adding machine und c
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Patent:US996523
27.06.1911 Rauchwetter, Franz (P) : Calculating Machine
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Patent:US996667
04.07.1911 Odhner, Valentin Jakob (P) Odhner (P) : Calculating Machine (Tabulator-System)
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Patent:US996814
04.07.1911 von Pein, Edward (P) NCR (P) : Cash-register
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Patent:US997483
11.07.1911 Webner, Frank E. (P) American Mechanical Calculator Company : Mechanical calculator
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Patent:US997680
11.07.1911 R. Landenberger : Calculating Device
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Patent:US997983
18.07.1911 Theodore M. Foote NCR (P) : Recording device
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Patent:US997986
18.07.1911 L. T. Freeman : Educational Appliance
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Patent:US998145
18.07.1911 Wolter, Carl (P) : Reversible transfer mechanism for calculating-machines
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Patent:US998414
18.07.1911 Smith, Chester J. (P) National Calculator Company : Calculating device
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Patent:US998602
25.07.1911 Cleal, Joseph P. (P) NCR (P) : Cash-register
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Patent:US998603
25.07.1911 J. C. Diefenbach : Scale for Indicating Standard Last Measurements
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Patent:US998716
25.07.1911 George B. Putnam Burroughs (P) Adding Machine Comp. : Adding and listing machine
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Patent:US998759
25.07.1911 Ellis, Albert H. (P) Wyckoff, Seamans und Benedict : Combined type writing and adding machine
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Patent:USRe13334
05.12.1911 George E. Schumann Abram G. Nesbitt : Calculating machine