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All Patents in class 451/237
Patents 31 - 43 of 43
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
646,397Mar. 27, 1900W.H. Thorne, J.S. BancroftGrinding-Machinetool grinders
809,552Jan. 09, 1906J. BuffelenMachine for making columnswood lathes
860,367Jul. 16, 1907J. GramelspacherSandpapering-machinebelt sanders
880,965Mar. 03, 1908J.T. BrantleySandpaper-machinebelt sanders
960,408Jun. 07, 1910F.C. Rowell, J.L. NolanAbrading-machinesanding machines
1,079,420Nov. 25, 1913S. MacKayMethod of Adjusting Rotary Cutterssharpening machines
1,251,527Jan. 01, 1918S. HoughAdustable & Improved Cutting Head for Boring Out Shellslathe tools
1,796,054Mar. 10, 1931C.I. ShawverWoodworking machinemolders
2,335,305Nov. 30, 1943F.A. ParsonsMachine Tool Transmission and Control Mechanismmilling machines
2,335,625Nov. 30, 1943J.C. WilsonGrinding Machinegrinders
2,392,819Jan. 15, 1946S.G. Brady, I.J. GruenbergGear Grinding Machinegear grinding machines
2,938,312May 31, 1960A.W. MallMethod of fabricating chain saw guide barshandheld chainsaws
3,009,294Nov. 21, 1961J. van Roojen, T.J. LindemGrinder with wheel dressertool grinders
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