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Patents Granted on 1920-01-06
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,327,007Jan. 06, 1920G.A. AndersonCutter-headpipe threading machines
1,327,008Jan. 06, 1920G.A. AndersonCutter-headpipe threading machines
1,327,155Jan. 06, 1920C. GottschalkScraperscrapers
1,327,160Jan. 06, 1920J. HurtigElectrically-driven spindleelectric motors
1,327,296Jan. 06, 1920P.A. SolemTraction-blockwoodworking machine stockfeeding mechanisms
1,327,309Jan. 06, 1920G.W. BuffordChain Pipe Wrenchchain and strap wrenches
1,327,356Jan. 06, 1920S.W. Putnam, 3dTailstock-clamping mechanismmetal lathes
1,327,410Jan. 06, 1920E. SimeoneTurning Toolleatherworking tools
1,327,506Jan. 06, 1920M. WalkerMagnetic clutchindustrial machine clutches
1,327,561Jan. 06, 1920A.E. JohnsonTool Holdermetal shaper tool holders
1,327,604Jan. 06, 1920A.C. BoothVertically-adjustable engine-lathemetal lathes
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