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Patents Granted on 1931-04-07
Patents 1 - 15 of 18
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NumberDatePatenteeTitleType
1,799,215Apr. 07, 1931V.V. ColbyCutting machine and supporthandheld power jigsaws
1,799,261Apr. 07, 1931W.F. StoodyBelt drive and tightening deviceindustrial machine pulleys and belt drive mechanisms
1,799,306Apr. 07, 1931J. MainlandCombinecotton harvesters
1,799,358Apr. 07, 1931W.C. De RooSafety-catch mechanismradial drill presses
1,799,393Apr. 07, 1931A.E. RylanderVariable-Speed Brace Drillbraces
1,799,462Apr. 07, 1931W.L. HawkinsSpare-tire locklocks
1,799,474Apr. 07, 1931J.S. McChesneyVisebench vises
1,799,483Apr. 07, 1931W.A. SmithMethod of and machine for making one-piece mop heads
1,799,493Apr. 07, 1931J.B. ArmitageOver-Arm Clamp for Machine Toolsmilling machines
1,799,622Apr. 07, 1931W.S. StuartNut and Pipe Wrenchpipe and nut combination wrenches
1,799,739Apr. 07, 1931J.B. Elfring, C.G. SchielePrecision measuring devicemeasuring tools
1,799,840Apr. 07, 1931E.F. BeuglerBarrel-making machinecooper
1,799,841Apr. 07, 1931E.F. BeuglerBarrel chamfering, crozing, and trimming apparatuscooper
1,799,842Apr. 07, 1931E.F. BeuglerBarrel-making machinecooper
1,799,866Apr. 07, 1931C.H. RothPhotographic Studio Setphotographic studio apparatus
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