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All Patents in class 451
Patents 2146 - 2160 of 3754
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NumberDatePatenteeTitleType
1,891,657Dec. 20, 1932F.J. ThelerGrinding Machinegrinding machines
1,891,661Dec. 20, 1932G.W. BinnsGrindinggrinding machines
1,891,662Dec. 20, 1932F.S. Haas, C. BoothMachine Toolgrinding machines
1,891,663Dec. 20, 1932C. BoothGrinding Machinerygrinding machines
1,891,777Dec. 20, 1932A.G. PlimmerGrinding Machinegrinding machines
1,893,068Jan. 03, 1933L.F. Nenninger, H. ErnstControl for Hydraulic Systemshydraulic apparatus
1,893,566Jan. 10, 1933P.A. Solem, D.J. McLaughlinHopper feed for endless bed machineswoodworking machine stockfeeding mechanisms
1,894,010Jan. 10, 1933H.E. TautzWork-holding means for gaugestablesaw accessories
1,894,382Jan. 17, 1933L. MawerCam and like grinding machine
1,895,122Jan. 24, 1933F.K. BenedictTraveling wheel grindergrinders
1,896,481Feb. 07, 1933R.A. ColeCenterless Grinding Machinegrinding machines
1,897,035Feb. 14, 1933C.J. AndersonGrinding machinesharpening machines
1,898,136Feb. 21, 1933R.H. Miller, A.L. MillerBrake Adjusting Toolbrake adjusting tools
1,900,112Mar. 07, 1933J.H. HoernGrinding machinecylindrical grinders
1,902,629Mar. 21, 1933W.F. EvansDrum Truing Machine
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