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All Patents in class 451/11
Patents 1 - 15 of 26
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
333,478Dec. 29, 1885E.H. ParksGrinding Machinecylindrical grinders
640,669Jan. 02, 1900A.B. LandisGrinding-machinegrinders
654,314Jul. 24, 1900A.B. LandisGrinding-machinegrinders
879,276Feb. 18, 1908A.B. LandisGrinding-machinegrinders
925,867Jun. 22, 1909W.L. BryantMultispindle metal-grinding machinegrinders
1,877,500Sep. 13, 1932H.R. Isler, S. EinsteinHydraulic Grindergrinding machines
1,881,984Oct. 11, 1932C.E. Van NormanSlide Mechanism for Precision Grinding Machinesgrinding machines
1,891,777Dec. 20, 1932A.G. PlimmerGrinding Machinegrinding machines
1,918,147Jul. 11, 1933B.F. StowellCarriage positioning mechanism for grinding machinesgrinders
1,965,234Jul. 03, 1934F.S. HaasGrinding Machinegrinding machines
1,996,467Apr. 02, 1935H. ErnstElectromagnetic Hydraulic Controlhydraulic apparatus
2,263,404Nov. 18, 1941O.W. Barker, J.B. ArmitageBoring and Milling Machinemilling machines
3,023,645Mar. 06, 1962H. Mueck, W.J. CravenApparatus for Producing Saw Blabesmaking sawblades
3,056,240Oct. 02, 1962R.G. Wise, J.M. Morgan, Jr.Automatic Grinding Machinecylindrical grinders
3,056,243Oct. 02, 1962J.H. FlandersTangential Grindingcylindrical grinders
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