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Patents Granted on 1939-__-__
Patents 1 - 15 of 238
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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 Apparatus
D112,888Jan. 10, 1939P.A. SturtevantWrench or Similar Articletorque wrenches
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
2,143,981Jan. 17, 1939P.G. HardinUniversal Hand Saw
2,144,486Jan. 17, 1939E.M. ErbLocating Devicemilling machine accessories
GB-499,945Jan. 31, 1939H.W. KearnsImprovements in combined surfacing and boring machineshorizontal boring mills
2,145,568Jan. 31, 1939J.J. FaberShingle millshingle machines
GB-499,981Feb. 01, 1939H.W. PearnImprovements relating to pump valvespumps
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