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Patents Granted on 1931-03-24
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
D83,743Mar. 24, 1931E.M. Bowen, A. OberhoffkenMachine Toolmilling machines
1,797,253Mar. 24, 1931C.S. WeyandtReciprocating motorhandheld power tools
1,797,279Mar. 24, 1931E.J. WitchgerRadius gaugesspecial purpose gauges
1,797,361Mar. 24, 1931C.M. Park, B.E. BarkAttachment for power drillshandheld power tool accessories
1,797,422Mar. 24, 1931J.V. JardinePipe-threading apparatus
1,797,463Mar. 24, 1931C. CederholmRotary woodworking cuttercutterheads
1,797,547Mar. 24, 1931G.M. ClassLubricating Device for the Ways of Lathesmetalworking machine lubrication
1,797,673Mar. 24, 1931C.J. PenderCane Slicer and Leveler Attachment for Sugar Mill Rollssugar cane apparatus
1,797,704Mar. 24, 1931E.J. SvensonFeed mechanism for lathes
1,797,705Mar. 24, 1931E.J. SvensonMachine tool
1,797,730Mar. 24, 1931E.M. PfauserSocket Attachment for Toolssocket wrenches
1,797,944Mar. 24, 1931F. DustanTool Holdertool holders
1,797,986Mar. 24, 1931F.C. KingTool Holdertool holders
1,798,059Mar. 24, 1931M.F. Hill, H. BilgramMachine for making rotorsgear making machines
1,798,082Mar. 24, 1931E.B. GrutzbachHammer attachment for electric drillshandheld power tool accessories
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