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All Patents in class 451/340
Patents 1 - 15 of 59
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NumberDatePatenteeTitleType
16,782Mar. 10, 1857E. AndrewsMachine for grinding sawsmaking sawblades
112,838Mar. 21, 1871J.L. OtisImprovement in machines for grinding saw-teethsaw sharpening machines
158,172Dec. 29, 1874C.H. Hill, A.W. ProctorImprovement in machine for grinding knivescutter grinding
217,795Jul. 22, 1879P.B. HillyerCombined Forge, Emery Wheel and Drill
230,715Aug. 03, 1880I.L. PenneyGrinding Twist Drillstool grinders
417,615Dec. 17, 1889A. WebsterMachine for Grinding Lathe Bedssurface grinders
439,154Oct. 28, 1890F. HolzCutter Grindermilling machines
470,497Mar. 08, 1892W.S. Loveland, E.C. HennJournalmetalworking machine mechanisms
521,836Jun. 26, 1894O.S. WalkerBearing for emery-wheelsbench or pedestal grinders
614,247Nov. 15, 1898H. Goldsmith, E.T. GoodhewGrinding Machinetool grinders
626,436Jun. 06, 1899E. MillsGrinding Machinetool grinders
640,669Jan. 02, 1900A.B. LandisGrinding-machinegrinders
681,440Aug. 27, 1901A.R. ClizbeGrinding Machinesharpeners
861,739Jul. 30, 1907A.B. LandisGrinding-machinegrinders
932,791Aug. 31, 1909R.K. Blond, W.F. GroeneCutter-grindertool grinders
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