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All Patents in class 451/340
Patents 1 - 15 of 31
First set of recordsNext set of recordsLast set of records
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
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
640,669Jan. 02, 1900A.B. LandisGrinding-machinegrinding machines
681,440Aug. 27, 1901A.R. ClizbeGrinding Machinesharpeners
861,739Jul. 30, 1907A.B. LandisGrinding-machinegrinding machines
945,463Jan. 04, 1910A.B. LandisMachine for grinding cutters and reamersgrinding machines
1,257,549Feb. 26, 1918W.S. ThomsonBearing Guide for Grinding Machines
1,265,606May 07, 1918F.C. BuschChucking deviceturret lathes
1,266,848May 21, 1918F.A. Brassill, O.W. NilsonGrinding Machine
1,268,961Jun. 11, 1918E.T. GorhamGrinding Machine
1,274,591Aug. 06, 1918C.E. QuimbyGrinder
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