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Patents Granted on 1920-10-??
Patents 1 - 15 of 37
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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
1,355,137Oct. 12, 1920O.C. FrickFeed-mixing attachment for feed-cutters
1,355,167Oct. 12, 1920C.A. RichMilling Machinemilling machines
1,355,288Oct. 12, 1920W.H. TroutGage mechanismcircular ripsaws
1,355,291Oct. 12, 1920H.C. UrbanerPower Hammerpower hammers
1,355,470Oct. 12, 1920J.H. HallPipe Wrenchpipe wrenches
1,355,620Oct. 12, 1920F.B. RogersCane Millsugar cane apparatus
1,355,698Oct. 12, 1920P.H. RouillardTool Holderlathe tool holders and tool posts
1,355,724Oct. 12, 1920D.V. ZhukoffCalipermeasuring calipers
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