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All Patents in class 451/548
Patents 1 - 15 of 22
First set of recordsNext set of recordsLast set of records
12,820May 08, 1855B. HardingeFacing Bed for Grinding Artificial Granite, Etc.stone dressing machines
70,393Nov. 05, 1867G.L. BentonImproved emery-wheels for grinding and polishing saws, &c.saw sharpening machines
79,132Jun. 23, 1868A. Hathaway, J. KendallPolishing Glasspolishing and buffing machinery
193,437Jul. 24, 1877E.J. Worcester, V.F. PrenticeImprovement in machines for grinding mower and reaper knivesgrinding machines
201,778Mar. 26, 1878G. HartEmery Wheelgrinding wheels
293,398Feb. 12, 1884W.P. BarclayAbrading Toollathe tools
342,290May 18, 1886R. DuttonMachine for Grinding Mowing Machine Knivessharpeners
344,919Jul. 06, 1886P.A. OtisImproved planer-knife grindertool grinders
481,415Aug. 23, 1892J. McClellanPolishing Wheelpolishing machines
494,471Mar. 28, 1893F.N. Gardner, C.H. BeslyGrinding or polishing wheel and the art of manufacturing same
612,240Oct. 11, 1898L.E. Harper, C.L. GrohmannMachine for dressing and grinding metalgrinding machines
639,035Dec. 12, 1899G. HartChuck for emery-wheelsgrinding wheels
883,649Mar. 31, 1908A.B. LandisGrinding-machinegrinding machines
1,094,361Apr. 21, 1914J.C. BlevneyPolishing device
1,133,475Mar. 30, 1915E.R. HydeGrinding Wheelgrinding wheels
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