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All Patents in class 72/88
Patents 1 - 14 of 14
First set of recordsLast set of records
6,441XApr. 01, 1831H. KnowlesImproved mode of manufacturing wood-screws
6,305Apr. 10, 1849N.C. Sanford, L.B. SmithMachine for regulating the twist and diameter of screw-augerstool making machines
355,692Jan. 11, 1887C. HarrisSaw setsaw sets
374,335Dec. 06, 1887W. Hainsworth, R. BagaleyMetal Rolling Machinemetal rolling machines
877,135Jan. 21, 1908C. StecherFlanging-machine
1,273,441Jul. 23, 1918E.A. BardwellMethod or Process of Nurlingpin punches
2,259,640Oct. 21, 1941J.H. HoernThread Forming Apparatusmetal threading machines
2,367,398Jan. 16, 1945J.H. HoernThread Rolling Apparatusmetal threading machines
2,995,964Aug. 15, 1961J.C. DraderMachinegear making machines
3,043,169Jul. 10, 1962W.B. McCardellApparatus for Pressure Forming Toothed Elementsgear making machines
3,062,077Nov. 06, 1962W.B. McCardellMethod and Apparatus for Effecting a One-Location Assemblyautomotive tools
3,115,052Dec. 24, 1963W.B. McCardellTooth Forming Toolgear cutting tools
3,183,697May 18, 1965W.B. McCardellLocting Fixturepart fixtures
3,214,951Nov. 02, 1965W.B. McCardellApparatus for Rolling Teeth on Tubular Elementsgear making machines
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