Patent
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Patent:US395781
08.01.1889 Hollerith, Hermann (P) : Art of Compiling Statistics
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Patent:US395782
08.01.1889 Hollerith, Hermann (P) : Art of Compiling Statistics
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Patent:US395783
08.01.1889 Hollerith, Hermann (P) : Apparatus for Compiling Statistics
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Patent:US396034
08.01.1889 Felt, Dorr E. (P) : Adding Machine
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Patent:US396529
22.01.1889 G. Bofinger : Type Writer Ciphograph
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Patent:US397686
12.02.1889 Benedict, George : Scale for Surface Measurements
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Patent:US398360
19.02.1889 Vermehren, Johannes (P) : Calculating Machine
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Patent:US398627
26.02.1889 Koch, William (P) : Stop device for adding and registering wheels
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Patent:US400359
26.03.1889 Pfeifer, John (P) : Adding Machine
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Patent:US400714
02.04.1889 J. G. & G. W. Smith : Adding Machine
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Patent:US401463
16.04.1889 E. M. Rosenthal : Calculating Machine
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Patent:US401518
16.04.1889 Henry Schuyler Ross : Register
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Patent:US401725
16.04.1889 William W. Wythe : Cash indicator and register
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Patent:US405024
11.06.1889 Felt, Dorr E. (P) : Adding Machine
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Patent:US407825
30.07.1889 Silvester Hoadley : Price-calculating device
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Patent:US408106
30.07.1889 Hollerith, Hermann (P) : Integrating Apparatus
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Patent:US409503
20.08.1889 J. T. Rice : Time and Wage Indicator
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Patent:US409710
27.08.1889 J. H. Schnarrenberger : Adding Machine
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Patent:US410603
10.09.1889 Thomas Munnell : Cash indicator and register
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Patent:US413302
22.10.1889 H. G. ONeill : Calculating, Recording, and Numbering Machine
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Patent:US414335
05.11.1889 Smith, Lester C. (P) : Adding Machine
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Patent:US414959
12.11.1889 Webb, Charles Henry (P) : Adding Machine
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Patent:US416027
26.11.1889 B. F. Billings : Calendar
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Patent:US417954
08.02.1889 Taylor, Edward W. : Adding-machine
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Patent:US419368
18.05.1889 Siddall, William : Adding-machine
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Patent:US421745
04.09.1889 Mills, W. Columbus : Adding-machine
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Patent:US431365
07.01.1889 William Lang : Adding-machine
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Patent:US431661
07.01.1889 William Koch Kruse Check And Adding Machine Comp.y : Cash-recorder
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Patent:US434251
17.05.1889 Craig, Dudley I. : Adding-machine
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Patent:US436290
09.01.1889 Thomas Munnell : Cash register
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Patent:US447363
03.01.1889 David J. Rowland : Adding-Machine
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Patent:US447457
03.01.1889 William H. Beardslet Lewis M. Hosea : Adding-machine
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Patent:US453507
06.01.1889 James Richardson Frank E. Heath : Adding-machine
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Patent:US460623
01.01.1889 Yoe, Philip (P) Dayton Autographic Register Comp. : Cash indicator
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Patent:US464294
02.01.1889 Cook, Hugo (P) : Cash-register, indicator, and recorder
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Patent:US468250
02.02.1889 Joseph Mason Samuel Shoup : Adding and printing machine
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Patent:US469680
03.02.1889 Frank Clark : Leather-gage
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Patent:US472057
04.02.1889 Paul Kalisch : Means for instruction in arithmetic
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Patent:US472123
04.02.1889 Ferdinand S. Hunt : Cash register and indicator
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Patent:US478532
07.02.1889 Napoleon B. Wright H. Knapp William J. Walters : Cash register
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Patent:US480122
08.02.1889 Henry G. ONeill Standard Register Comp. : Cash register and indicator
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Patent:US480123
08.02.1889 Henry G. ONeill Standard Register Comp. : Cash register and indicator
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Patent:US480124
08.02.1889 Henry G. ONeill Standard Register Comp. : Cash register