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27.12.1899 William F. Bockhoff : Cash register
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03.01.1899 H. Goldman : Calculating Machine
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10.01.1899 Duncan, James Eugene (P) : Computing machine
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24.01.1899 Thomas G. Howland : Game-counter
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24.01.1899 E. E. Wolf : Postal Denominating, Registering, and Adding Machine
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24.01.1899 Hermann Brodt John Mueller : Educational appliance
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14.02.1899 Samuel W. Andrews : Golfometer
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21.02.1899 Pfeifer, John (P) : Change Maker and Indicator
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21.03.1899 Keuffel, William (P) : Slide rule
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21.03.1899 Vernon, Richard R. : Perpetual calendar
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28.03.1899 West, Gus A. (P) : Combined type-writing and adding machine
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28.01.1899 Turck, Joseph Abraham Valentine (P) : Adding Machine and Register
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28.03.1899 T. Lanston : Adding Machine
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09.05.1899 Brown, John L. (P) : Calculating device
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09.05.1899 H. Goldman : Calculating Machine
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20.06.1899 Charles J. Fauvel Norman Collins Empire Cash Register, Ltd. : Cash register
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27.06.1899 C. C. Clifford : Adding Machine
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27.06.1899 Boyett, Baptist E. (P) : Exchange table and computing machine
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27.06.1899 G. Zeidler : Calculating Machine
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04.07.1899 Felt, Dorr E. (P) : Tabulating Machine
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04.07.1899 J. Mallmann : Calculating Machine
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11.07.1899 E. J. Brandt : Coin Delivery and Cash Registering Machine
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25.07.1899 Lovering, John H. (P) : Device for operating adding machines
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15.08.1899 Joseph Pallweber Fabrik Mechanischer Apparate GmbH : Cash register
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10.10.1899 C. Tregoning : Reckoner
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24.10.1899 W. H. Davis : Adding Machine
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14.11.1899 William Campbell Van Horn : Cryptographic chart
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14.11.1899 G. & R. Schwarz : Calculating machine
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28.11.1899 J. P. Johnsen : Abacus
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