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Patente aus den USA 1907

 US842232 (espacenet),  US842232 (uspto)29.01.1907C. N. McFarlandAdding Machine
 US842763 (espacenet),  US842763 (uspto)29.01.1907H. BurgCryptographic Machine
 US843944 (espacenet),  US843944 (uspto)12.02.1907R. L. HibbardCalculating Device
 US844195 (espacenet),  US844195 (uspto)12.02.1907E. McC. ScovillePlanimeter
 US844505 (espacenet),  US844505 (uspto)19.02.1907S. H. DrysdaleAdding Machine
 US844536 (espacenet),  US844536 (uspto)19.02.1907H. U. PrindleExtensible Rule an Calipers
 US845276 (espacenet),  US845276 (uspto)26.02.1907J. SwartAdding Machine
 US845463 (espacenet),  US845463 (uspto)26.02.1907H. T. HincksSlide Rule
 US845753 (espacenet),  US845753 (uspto)05.03.1907E. L. CampbellPlotting Instrument
 US847904 (espacenet),  US847904 (uspto)19.03.1907F. K. CaswellSpring Load Computer
 US853543 (espacenet),  US853543 (uspto)14.05.1907Felt, Dorr E. & C. P. WetmoreTabulating Machine
 US856360 (espacenet),  US856360 (uspto)11.06.1907G. NahlikApparatus Ffor Addition
 US858548 (espacenet),  US858548 (uspto)02.07.1907J. G. VincentAdding Machine
 US859552 (espacenet),  US859552 (uspto)09.07.1907E. S. EnsignCalculating Machine
 US861268 (espacenet),  US861268 (uspto)30.07.1907G. CoradiPlanimeter for Measuring the Areas of Leather, Hides, &c
 US861303 (espacenet),  US861303 (uspto)30.07.1907G. H. MorseCalculating Machine
 US861541 (espacenet),  US861541 (uspto)30.07.1907F. RieckCalculating Stand
 US861861 (espacenet),  US861861 (uspto)30.07.1907J. T. KellyEllipsograph
 US864455 (espacenet),  US864455 (uspto)27.08.1907J. DegenDrawing Instrument
 US864770 (espacenet),  US864770 (uspto)03.09.1907J. E. CarrollComputing Machine
 US865808 (espacenet),  US865808 (uspto)10.09.1907B. F. StumpCalculating Machine
 US866298 (espacenet),  US866298 (uspto)17.09.1907W. C. ParisAdding Machine
 US869241 (espacenet),  US869241 (uspto)29.10.1907E. C. HillyerGame Counter
 US872021 (espacenet),  US872021 (uspto)26.11.1907D. W. ShiekComputing Machine
 US874107 (espacenet),  US874107 (uspto)17.12.1907C. N. McFarlandDigit Repeating Mechanism for Adding Machines

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