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All Patents in class 451/218
Patents 1 - 15 of 41
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NumberDatePatenteeTitleType
27,221Feb. 21, 1860C.W. HubbardMachine for grinding and polishing sawssaw sharpening machines
256,440Apr. 11, 1882P. MedartMachine for grinding pulleyscylindrical grinders
434,115Aug. 12, 1890C.H. NortonGrinding Machinegrinders
696,034Mar. 25, 1902C.R. GabrielGrinding-machinegrinders
945,453Jan. 04, 1910B.M. HansonMechanism for actuating cross-slidesmetal lathes
945,463Jan. 04, 1910A.B. LandisMachine for grinding cutters and reamersgrinders
956,208Apr. 26, 1910E.F. SmithGrinding-machinesurface grinders
1,535,452Apr. 28, 1925P. ConradsonGrinding Machineinternal grinders
1,575,520Mar. 02, 1926W.D. ArcheaWork Carrying Device for Grinding Machinescenterless grinders
1,609,643Dec. 07, 1926L. DalyGrinding Machinegrinding machines
1,658,185Feb. 07, 1928R.L. CarterTool-grinding mechanismwoodworking machine sharpening mechanisms
1,683,859Sep. 11, 1928F.P. BrownGrinding machine
1,776,241Sep. 16, 1930F.S. Haas, J.E. CasterGrinding Machinerygrinding machines
1,862,851Jun. 14, 1932F.S. HaasGrinding Machinerygrinding machines
1,874,583Aug. 30, 1932L.F. NenningerGrinding Machinerygrinding machines
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