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All Patents in class 451/239
Patents 31 - 45 of 52
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NumberDatePatenteeTitleType
2,099,724Nov. 23, 1937S.A. CogsdillMachine for Grinding Tools tool grinders
2,111,271Mar. 15, 1938L.F. NenningerApparatus for Lappinglapping machines
2,125,584Aug. 02, 1938E. RotzoliAdjusting Device for Machine Toolsmetalworking machines
2,135,894Nov. 08, 1938E.C. HeadMachine for forming spiral bevel gear cutterssharpening machines
2,232,229Feb. 18, 1941W.F. GroeneCrankpin Grindergrinders
2,254,010Aug. 26, 1941R.D. Wortendyke, C. HerfurthGrinding Machinegrinding machines
2,254,020Aug. 26, 1941A.J. Graf, C.L. SchulteCambering Mechanism for Grinding Machinesgrinding machines
2,259,472Oct. 21, 1941C. JohnsonDuplicator for machine toolsmilling machine accessories
2,292,875Aug. 11, 1942R.E. FlandersTool Carrier Control Mechanismthread grinders
2,400,826May 21, 1946H.S. JakobsenUniversal Grinder Headgrinding machines
2,413,436Dec. 31, 1946O.W. DawsonGrinding Machinetool grinders
2,451,137Oct. 12, 1948C.E. WhiteContour grinding machine for work pieces each having a hollow spherical sectiongrinders
2,526,844Oct. 24, 1950H.P. BoggisTap grinding machinecutter grinding machines
2,531,921Nov. 28, 1950R.A. SchultzSurface finishing fixturegrinders
2,641,874Jun. 16, 1953R.G. KirbyGrinding Machinecam grinding machines
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