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Patents Granted on 1950-__-__
Patents 1 - 15 of 176
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D156,709Jan. 03, 1950J. DrazickCap Gripperjar wrenches
D156,732Jan. 03, 1950A.J. HoeflickerCombination Toolwrench combination tools
2,493,299Jan. 03, 1950H.C. Kemper, R.K. Le BlondHydraulic Gear Shifting Mechanismmetalworking machine mechanisms
D156,832Jan. 10, 1950H. JacksonCombination Claw Hammer and Screw Driverscrewdrivers
D156,859Jan. 10, 1950D.J. WilliamsFiling machine or the likefiling machines
2,493,827Jan. 10, 1950F.A. ParsonsTransmission and Control Mechanism for Machine Toolsmilling machines
2,493,828Jan. 10, 1950F.A. ParsonsMachine Tool Transmission and Control Mechanismmilling machines
2,494,152Jan. 10, 1950W.W. AblettTool to Check Centrality and Alignment of Keyways in Shaftsmeasurement gauges
D156,923Jan. 17, 1950C.B. StevensJointerjointers
2,494,591Jan. 17, 1950O.P. SmithInvalid lift
2,495,308Jan. 24, 1950J.N. AmigoneGripper-type cork extractorcombination cork extractors
2,495,312Jan. 24, 1950T. Foster, S.A. Bradenburg, C.A. BickelPower Unit for Machine Toolsmetal lathe accessories
2,495,492Jan. 24, 1950J.C. WilsonApparatus for Crush Dressing Grinding Wheelsgrinder dressers
2,495,699Jan. 31, 1950G.H. ClarkGrip Tightening Device for Pipe Wrenchespipe wrenches
2,496,169Jan. 31, 1950E. LochmanVariable pitch propeller
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