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Patents Granted on 1939-09-__
Patents 1 - 15 of 31
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NumberDatePatenteeTitleType
2,171,589Sep. 05, 1939E.W. MillerInvolute Measuring Machinegear measuring machines
2,171,802Sep. 05, 1939A.C. NielsenTool Holderlathe tool holders and tool posts
2,171,940Sep. 05, 1939V.C. MacnabbSound Reproducing Apparatusradios
2,172,070Sep. 05, 1939C.A. PalmgrenChuckdrill chucks
2,172,135Sep. 05, 1939A.A. BreuerSuction cleaner motor constructionvacuum cleaners
2,172,274Sep. 05, 1939R.H. CrouchStraight-line cut-off sawradial arm saws
CA-383,970Sep. 12, 1939W.C. TuckerShearing machine devicemetal shearing machines
2,172,823Sep. 12, 1939A. Von WangenheimControl Devicetemperature controls
2,172,999Sep. 12, 1939W.G. HoelscherElectrically Controlled Automatic Latheautomatic lathes
2,173,074Sep. 12, 1939M. RomaineBroaching Toolbroaches
D116,745Sep. 19, 1939F.J. MayerSplicing Sleeve Compressing Toolcrimping pliers
2,173,215Sep. 19, 1939E.T. ShoverCombination Plier and Wrenchpliers
2,173,318Sep. 19, 1939B. WheelerSteam Charging Device for Unfired Pressure Vesselssteam engines
2,173,348Sep. 19, 1939Saw
2,173,360Sep. 19, 1939A.F. FroussardShaft Couplingindustrial machine shaft couplings
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