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All Patents in class 451/413
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
425,230Apr. 08, 1890A.B. LandisGrinding-machinegrinders
437,284Sep. 30, 1890W.G. BudlongCombined metal-working machinemetalworking machines
1,223,155Apr. 17, 1917A.M. DrakeTable driving and feeding mechanism for grinding machinesgrinders
1,316,221Sep. 16, 1919C.M. ConradsonMetal Working Machinemilling machines
1,392,325Oct. 04, 1921B.M. HansonVertical Surface Grinding Machinesurface grinders
2,252,627Aug. 12, 1941G. GortonMachine Tool of the Sensitive Table Typemetalworking machine mechanisms
2,370,041Feb. 20, 1945J. JesionowskiExternal grindergrinders
3,772,961Nov. 20, 1973W.R. SiebertHydrostatic Rotary Tablerotary tables
4,211,512Jul. 08, 1980F. ZanklRotary Table With Ballscrew Driverotary tables
5,807,162Sep. 15, 1998A.P. DanaGrinding Apparatus, and Process for the Operation Thereofsurface grinders
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