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Patents Granted on 1931-02-03
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
DE-517,257Feb. 03, 1931n. listedMachine for Grinding Balls Using Two Cylindrical Grinding or Guide Disksgrinding machines
1,790,848Feb. 03, 1931A. Schinkez, E.R. SmithAutomatic Lathe and Blank Feeding Means Thereformetal lathes
1,790,892Feb. 03, 1931E.T. AdamsInternal Combustion Engineoil engines
1,790,912Feb. 03, 1931M.J. GoldbergPump Governor Control Meansinternal combustion engine governors
1,790,919Feb. 03, 1931W.C. HeathMetallic Containerwashing machines
1,791,072Feb. 03, 1931R.E. ManleyBrake-band-drilling machinebrake maintenance
1,791,073Feb. 03, 1931R.E. ManleyDrill supporthandheld power tool accessories
1,791,191Feb. 03, 1931J.E. CarlinShearing and Cutting Machinemetal shearing machines
1,791,270Feb. 03, 1931W.F. GroeneMotor Traverse for Lathesmetalworking machine mechanisms
1,791,442Feb. 03, 1931J.E. CasterGrinding Machinegrinding machines
1,791,443Feb. 03, 1931C.A. Bjornnson, C.P. ClarkFuel Injection Mechanism and Methodcylinder heads
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