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Patents Granted on 1931-04-07
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,799,215Apr. 07, 1931V.V. ColbyCutting machine and supporthandheld jigsaws
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 lock
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. BueglerBarrel-making machinecooper
1,799,841Apr. 07, 1931E.F. BueglerBarrel chamfering, crozing, and trimming apparatuscooper
1,799,842Apr. 07, 1931E.F. BueglerBarrel-making machinecooper
1,799,893Apr. 07, 1931F.S. FloeterTool holder for double-acting lathescrankshaft lathes
1,800,175Apr. 07, 1931L.E. BloodTraveling-bed feed for wood planerswood planers
1,800,181Apr. 07, 1931J.M. HeriderStump-grooving machineveneer machines
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