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Patents Granted on 1939-01-??
Patents 1 - 15 of 24
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NumberDatePatenteeTitleType
2,142,285Jan. 03, 1939H. PelphreyHob and Method of Manufacturegear cutting tools
2,142,303Jan. 03, 1939R.H. CrouchCombined cut-off and miter sawradial arm saws
2,142,697Jan. 03, 1939H.L. MyersRotary surfacing machine
2,142,863Jan. 03, 1939W.M. WhitneyDuplex wood shaping machinewood shapers
2,142,923Jan. 03, 1939R.P. StockingDrill grinding machinedrill grinders
RE20,974Jan. 10, 1939J.S. Barnes (deceased, estate of), P.R. GuirlMetal Working Apparatuspipe cutting machines
D112,888Jan. 10, 1939P.A. SturtevantWrench or Similar Articletorque wrenches
2,143,087Jan. 10, 1939H.V. RauClamp grommet
2,143,168Jan. 10, 1939T.V. PedersenSpeed Control System for Internal Combustion Enginesinternal combustion engine governors
2,143,229Jan. 10, 1939P.S. RusselControl Deviceindustrial control apparatus
2,143,255Jan. 10, 1939P.A. AbeLatheengine lathes
2,143,258Jan. 10, 1939C.A. BickelCam Making Machinecam making machines
2,143,460Jan. 10, 1939H.B. Tuthill, H.F. CaldwellKnife adjustment in bread slicing machines
2,143,533Jan. 10, 1939C.E. Brown, W.D. ArcheaMachine Toolgrinding machines
2,143,981Jan. 17, 1939P.G. HardinUniversal Hand Saw
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