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03.01.1905 J. P. Harrison, Jr. : Calculating Machine
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03.01.1905 Locke, Clarence (P) : Calculating Machine
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10.01.1905 Rinsche, Frank C. (P) Universal Accountant Machine (P) Comp. : Driving mechanism for calculating machines
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17.01.1905 Robert E. Henning : Photographic-light-value scale
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17.01.1905 Felt, Dorr E. (P) : Combined Tabulating and Writing Machine
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17.01.1905 Felt, Dorr E. (P) : Tabulating Machine
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17.01.1905 Felt, Dorr E. (P) : Tabulating Machine
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24.01.1905 M. E. Anderson : Adding and Subtracting Machine
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24.01.1905 Ocumpaugh, Edmund (P) : Calculating machine
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31.01.1905 Robertson, William H. (P) : Calculating machine
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14.02.1905 Goldberg, Hyman Eli (P) : Calculating-machine
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14.02.1905 Goldberg, Hyman Eli (P) : Totalizing mechanism
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21.02.1905 H. C. Barnes : Ellipsograph
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28.02.1905 E. F. Chase : Planimeter
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14.03.1905 Jose E. Chritton Henry E. Burkdoll : Lumber-computer
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21.03.1905 John R. Hamilton Darius P. Sackett : Mechanical calculator
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21.03.1905 Steinacker, Frank W.; Culver, Ira : Cash-register
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28.03.1905 Robert Newton Cooper : Calculator
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04.04.1905 H. Goldman : Calculating Machine
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04.04.1905 Cleal, Joseph P. (P) NCR (P) : Cash register
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04.04.1905 Francis C. Osborn NCR (P) : Cash-register
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04.04.1905 Gartrell, Charles B. (P) : Adding and recording machine
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04.04.1905 Ball, Jacob; Ritz, Robert E. : Calendar
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11.04.1905 Postans, Arthur James (P) : Adding Machine
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09.04.1905 Antonio Fevola Thomas Lisa : Register system
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25.04.1905 Cleal, Joseph P. (P), McCauley, Alvan (P) NCR (P) : Cash register
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02.05.1905 Francis C. Farmar : Wine and Spirit Calculating Rule
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02.05.1905 M. H. Lockwood : Adding Machine
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09.05.1905 Edward Strong Swift : Sight-plate for computing-machines
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09.05.1905 William F. Gatewood : Adding-machine
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23.05.1905 Osborn, Francis C. (P) NCR (P) : Time clock for cash registers
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06.06.1905 Wolfe, Jacob C. und Morton, Edwin W. : Adding Machine
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13.06.1905 Carrol, Thomas (P) NCR (P) : Cash register
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13.06.1905 Colin Campbell : Computer
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25.07.1905 Wales, Charles (P) Adder Machine Comp. : Paper spacing mechanism for adding machines
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05.08.1905 Wales, Charles (P) Adder Machine Comp. : Adding and Printing Machine
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26.09.1905 George N. Hinchman Standard Adding Machine Comp. : Adding-machine
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03.10.1905 Holmes Marshall Joseph T. Uebbing Addograph (P) Mfg. Comp. : Computing-machine
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10.10.1905 J. L. Milton : Date Calculator
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17.10.1905 C. M. Allen : Flow Register
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17.10.1905 J. Wilkes : Logarithmic Calculating Apparatus
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07.11.1905 E. Ebinger : Adding Machine
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07.11.1905 Robert H. Riddle NCR (P) : Cash-register
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14.11.1905 Goldberg, Hyman Eli (P) : Calculating machine
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14.11.1905 Charles Michael Young : Calculating device
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28.11.1905 Augustin Marion Benedic : Adding machine
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05.12.1905 F. Mugnier : Calculating Machine
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12.12.1905 J. H. Ginet, Jr. : Adding Machine
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12.12.1905 Carl J. Printz : Runner or cursor
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12.12.1905 W. H. Pumphrey : Adding Machine
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19.12.1905 Cyrus A. Haas : Pocket-calculator
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20.02.1905 Dennis, Adolphus S. (P) : Adding and recording machine
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17.01.1905 F. H. Cottrill : Signal for Adding Machine