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All Patents in class 451/363
Patents 1 - 15 of 29
First set of recordsNext set of recordsLast set of records
70,479Nov. 05, 1867J.H. SternberghImprovement in Metal Planerssurface grinders
70,483Nov. 05, 1867A. ThomasLathe Way Smoothersurface grinders
293,398Feb. 12, 1884W.P. BarclayAbrading Toollathe tools
525,472Sep. 04, 1894F.E. SchmittCylinder-adjusting mechanism for polishing-machinessanding machines
595,445Dec. 14, 1897F.E. SchmittCylinder adjustment for sanderssanding machines
712,537Nov. 04, 1902C.S. HiseyElectric grinding devicehandheld power tools
856,662Jun. 11, 1907G.W. SmithFace-mill grindertool grinders
945,455Jan. 04, 1910B.M. HansonReducing-machinemilling machines
1,052,605Feb. 11, 1913S. MacKayGrinding Machinesharpening machines
1,275,218Aug. 13, 1918C.H. CalkinsMachine for Grinding Worm Threads
1,281,015Oct. 08, 1918W.P. HuntGrinding Machine
1,324,567Dec. 09, 1919D.B. SalstromWood-carving machinecarving machines
1,664,024Mar. 27, 1928J. de KoningGrinding machine
1,756,949May 06, 1930E.S. McGonegalPortable Grinding Toolmetal lathe accessories
1,909,614May 16, 1933E.B. GardnerRotary grinding machine
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