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Patents Granted on 1920-10-05
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,354,488Oct. 05, 1920J. JewsburyRadial-arm drilling-machineradial drill presses
1,354,636Oct. 05, 1920C. WhitfieldTool Holderlathe tool holders and tool posts
1,354,651Oct. 05, 1920I. JamesExtension Attachment for Carpenter's Planesplane beds
1,354,782Oct. 05, 1920G.F. SchloteWrench
1,354,901Oct. 05, 1920V.A. FynnDynamo-electric machineAC motors
1,354,937Oct. 05, 1920J.S. AlcornDifferential gearingmotor vehicle gearing
1,354,966Oct. 05, 1920J.C. GlennEngine Valve Mechanismsteam engine valve gear
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