Patent

Patentdatenbank USA 1890

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Patent:US427567 13.05.1890 Guzeman, William A. (P) : Adding machine
Patent:US428259 20.05.1890 Louis T. Weiss, Thomas Murtha Frank Burns : Cash indicator and register
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Patent:US432266 15.07.1890 Fowler, George B. (P) : Adding Machine
Patent:US432393 15.07.1890 Fitzwater, William M. (P) : Adding machine
Patent:US434897 19.08.1890 Sern Perley Watt Columbus Cash Register Comp. : Cash register and indicator
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Patent:US435819 02.09.1890 Fleming, Warren E. (P) : Adding machine
Patent:US436805 23.09.1890 John H. Rose : Fare-register
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Patentdatenbank USA 1890