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Patents for F. R. Cornwall
Patents 1 - 15 of 28
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NumberDatePatenteeTitleType
449,000Mar. 24, 1891A.K. SchaapBicycle Spoke Nipple Wrenchspoke nipple wrenches
468,241Feb. 02, 1892P.G. DouglasWrenchratchet wrenches
473,048Apr. 19, 1892J.A. ZanderWrenchscrew adjust wrenches
481,506Aug. 23, 1892B. McGilvrayWrenchpipe and nut combination wrenches
511,190Dec. 19, 1893A.L. BedfordWrenchquick adjust wrenches
515,405Feb. 27, 1894A.W. MestonFan-guard
537,870Apr. 23, 1895H.J. Thielen, H. SchroederGage for Setting Hingesbutt gauges
583,933Jun. 08, 1897E.S. PillsburyElectric Motor
587,373Aug. 03, 1897H.L. Parker, C.R. MestonWindow-blower
605,850Jun. 21, 1898F.E. BrinerElectric motorinduction motors
611,391Sep. 27, 1898H.A. PikeCaliperscalipers
617,114Jan. 03, 1899C.R. MestonElectric Motorelectric motors
618,131Jan. 24, 1899H.L. Parker, C.R. MestonBearing for armature-shafts of electric motorsmotor bearings
620,609Mar. 07, 1899F. Schwedtmann, E.S. PillsburyMotorelectric motors
D30,347Mar. 14, 1899M.F. WilliamsDesign for a pulleyindustrial machine pulleys and belt drive mechanisms
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