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Patents for F. R. Cornwall
Patents 1 - 15 of 24
First set of recordsNext set of recordsLast set of records
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, 1897C.R. Meston, H.L. ParkerWindow-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, 1899C.R. Meston, H.L. ParkerBearing for armature-shafts of electric motorsmotor bearings
620,609Mar. 07, 1899E.S. Pillsbury, F. SchwedtmannMotorelectric motors
622,247Apr. 04, 1899C.R. MestonLubricated bearingmotor bearings
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