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Patent:US574703
05.01.1897 J. Bloch : Chronological Skeleton Chart
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Patent:US575105
12.01.1897 B. E. Chollar : Planimeter
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Patent:US575287
12.01.1897 C. H. Redding : Adding Machine
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Patent:US575372
19.01.1897 Pottin, Henry (P) : Cash Register and Recorder
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Patent:US575570
19.01.1897 H. Marshall : Combined type writing and computing machine
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Patent:US578303
02.03.1897 J. C. Wolfe : Type Writing and Adding Machine
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Patent:US578557
09.03.1897 H. H. Freer & C. MacCallum : Sales Indicating Tablet
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Patent:US578906
16.03.1897 Frank B. Wood Brunswick-Balke-Collender Comp. : Pool-game counter
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Patent:US579047
16.03.1897 G. W. Dudley : Type Writing Attachement for Adding Machine
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Patent:US579048
16.03.1897 G. W. Dudley : Type Writing Attachement for Adding Machine
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Patent:US580378
13.04.1897 Cleal, Joseph P. (P), Frank A. Reinhard NCR (P) : Cash-register
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Patent:US580464
13.04.1897 M. J. Overell : Ready Calculator
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Patent:US580516
13.04.1897 B. S. Andrew : Abacus
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Patent:US580863
20.04.1897 Hiett, De Kernia James Thomas (P) : Calculating Machine
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Patent:US582366
11.05.1897 Ohmer, John (P) Tyler, Hiram (P) : Fare-register
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Patent:US582634
18.05.1897 Eugene B. Frew : Calculating-machine
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Patent:US583192
25.05.1897 G. O. Brager : Cash Register, Indicator, and Adding Machine
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Patent:US584458
15.06.1897 Harold W. Byron : Computing-machine
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Patent:US584670
15.06.1897 J. L. Cathcart : Interest and Time Indicator
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Patent:US584955
22.06.1897 Mcleod, George Alfred : Calendar
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Patent:US585468
29.06.1897 Fuller, Frederick (P) : Cash Register
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Patent:US585565
29.06.1897 Fuller, Frederick (P) : Cash Register
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Patent:US585996
06.07.1897 F. Woodbridge : Cash Register and Recorder
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Patent:US587042
27.07.1897 A. Macauley : Cash Register
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Patent:US587599
03.08.1897 T. ODonnell : Coin Holder and Register
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Patent:US587702
10.08.1897 Carney, Thomas (P) NCR (P) : Cash register
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Patent:US588127
17.08.1897 Carney, Thomas (P) NCR (P) : Cash register and recorder
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Patent:US588260
17.08.1897 Bigelow, Charles H. (P) : Adding machine
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Patent:US588409
17.03.1897 Ensworth, William J. (P) : Adding machine
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Patent:US589114
31.08.1897 Bickford, Frank H. (P) NCR (P) : Cash Register
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Patent:US589245
31.08.1897 Carney, Thomas (P) NCR (P) : Cash register
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Patent:US590097
14.09.1897 Ensworth, William J. Galbraith, John W. : Adding-machine
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Patent:US590277
21.09.1897 Francis H. Richards : Adding Machine
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Patent:US590772
28.09.1897 William Henry Pike Jr American Arithmometer (P) Co. : Device for duplicate printing
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Patent:US591900
19.10.1897 T. A. Trent, Jr. : Typographical Adding Machine
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Patent:US592067
19.10.1897 R. C. Smith : Calculating Scale
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Patent:US592723
26.10.1897 Brown, William W. (P) : Adding-pencil
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Patent:US593675
16.11.1897 Minnis, Henry M. (P) : Calculating machine
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Patent:US593715
16.11.1897 Bigelow, Charles H. (P) : Adding register
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Patent:US593773
16.11.1897 Miehle, Robert : Counting machine
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Patent:US594032
23.11.1897 McClellan : Compund Harmonic Movement for Machines
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Patent:US594734
30.11.1897 Giguere, Thomas Filiase Dyon : Adding-machine
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Patent:US595009
07.12.1897 Williams, Elmer V. (P) und Williams, Edwin G. (P) und Dickinson, Charles L. (P) : Calculating machine
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Patent:US595347
14.12.1897 Abraham Schabadt : Calculating-machine
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Patent:US595592
14.12.1897 G. L. Ault : Adding Machine
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Patent:US595603
14.12.1897 John Byrne : Calculating machine
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Patent:US595864
21.12.1897 W. H. Pike, Jr. : Printing Attachement for Calculating Machines
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Patent:US596359
28.12.1897 Clark, William H. (P) Rochester Cash Register Company : Cash register, indicator, and check printer
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Patent:US596360
28.12.1897 Clark, William H. (P) Rochester Cash Register Company : Key mechanism for cash registers
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05.04.1897 J. B. Moore : Calculating Machine