Patente aus den USA 1899
- Patent:US617094 03.01.1899 H. Goldman : Calculating Machine
- Patent:US617323 10.01.1899 Duncan, James Eugene : Computing machine
- Patent:US617560 10.01.1899 Bundy, Willard le Grand : Type Writing and Adding Machine
- Patent:US618099 24.01.1899 Thomas G. Howland : Game-counter
- Patent:US618158 24.01.1899 E. E. Wolf : Postal Denominating, Registering, and Adding Machine
- Patent:US618198 24.01.1899 Hermann Brodt John Mueller : Educational appliance
- Patent:US665228 24.01.1899 Kahlert, Otto : Computing Apparatus
- Patent:US622091 28.01.1899 Turck, Joseph Abraham Valentine : Adding Machine and Register
- Patent:US619529 14.02.1899 Samuel W. Andrews : Golfometer
- Patent:US619786 21.02.1899 Pfeifer, John : Change Maker and Indicator
- Patent:US676740 18.03.1899 Farini, Placida : Calculating or like scale
- Patent:US621348 21.03.1899 Keuffel, William : Slide rule
- Patent:US621589 21.03.1899 Vernon, Richard R. : Perpetual calendar
- Patent:US621879 28.03.1899 West, Gus A. : Combined type-writing and adding machine
- Patent:US622157 28.03.1899 T. Lanston : Adding Machine
- Patent:US624621 09.05.1899 Brown, John L. : Calculating device
- Patent:US624788 09.05.1899 H. Goldman : Calculating Machine
- Patent:US627403 20.06.1899 Charles J. Fauvel Norman Collins Empire Cash Register, Ltd. : Cash register
- Patent:US631345 21.06.1899 Turck, Joseph Abraham Valentine Mechanical Accountant Co. : Adding-machine
- Patent:US627571 27.06.1899 C. C. Clifford : Adding Machine
- Patent:US627715 27.06.1899 Boyett, Baptist E. : Exchange table and computing machine
- Patent:US627791 27.06.1899 G. Zeidler : Calculating Machine
- Patent:US628176 04.07.1899 Felt, Dorr E. : Tabulating Machine
- Patent:US628273 04.07.1899 J. Mallmann : Calculating Machine
- Patent:US628688 11.07.1899 E. J. Brandt : Coin Delivery and Cash Registering Machine
- Patent:US629381 25.07.1899 Lovering, John H. : Device for operating adding machines
- Patent:US629879 01.08.1899 L. K. Sturm : Time Calculator
- Patent:US630053 01.08.1899 H. H. Helmick : Computing Machine
- Patent:US630904 15.08.1899 Long, John Q. : Adding machine
- Patent:US630922 15.08.1899 Joseph Pallweber Fabrik Mechanischer Apparate GmbH : Cash register
- Patent:US631231 15.08.1899 Schuster, George : Counting or adding mechanism for cash registers
- Patent:US632074 29.08.1899 Wall, John J. und Rogalsky, Herman : Computing machine
- Patent:US633374 19.09.1899 A. R. Ball & A. T. Riggs : Adding and Subtracting Machine
- Patent:US633842 26.09.1899 John A. Hoff William T. Blaine : Cash register and recorder
- Patent:US634779 10.10.1899 C. Tregoning : Reckoner
- Patent:US651275 18.10.1899 H. C. Seiler : Arithmetical Slate
- Patent:US635670 24.10.1899 W. H. Davis : Adding Machine
- Patent:US637049 14.11.1899 William Campbell Van Horn : Cryptographic chart
- Patent:US637167 14.11.1899 G. & R. Schwarz : Calculating machine
- Patent:US637964 28.11.1899 J. P. Johnsen : Abacus
- Patent:US638097 28.11.1899 Cleveland, Carr W. und Cleveland, Rienzi W. : Calculating machine
- Patent:US638118 28.11.1899 Hiett, De Kernia James Thomas Universal Accountant Machine Co. : Calculating machine
- Patent:US638252 05.12.1899 Le Fevre, Edward : Adding machine
- Patent:US638304 05.12.1899 Edward B. Weston : Register
- Patent:US639488 19.12.1899 W. Ziethen : Compass for Drawing Conic Sections
- Patent:US616866 27.12.1899 William F. Bockhoff : Cash register
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