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All Patents in class 408/154
Patents 1 - 15 of 36
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NumberDatePatenteeTitleType
189,889Apr. 24, 1877J.B. DouglasExpanding Screw Taptaps and dies
378,310Feb. 21, 1888J.T. HaydenCollapsing Taptaps and dies
419,174Jan. 14, 1890J.A. BecherRevolving Turret Bolt Threading Machinemetal threading machines
427,903May 13, 1890W. PorteousAutomatic Screw Cutting Dietap and die holders
453,811Jun. 09, 1891W. HutchesonScrew Cutting Tooltap and die holders
578,802Mar. 16, 1897G.E. WitherellThread Cuttertap and die holders
587,715Aug. 10, 1897F.A. ErringtonAutomatic Extensible and Collapsible Adjustable Taptaps and dies
626,385Jun. 06, 1899A. JohnsonTaptaps and dies
644,748Mar. 06, 1900C.A. SvenssonScrew Taptaps and dies
740,016Sep. 29, 1903L.A. HoweSelf-opening die
761,348May 31, 1904J.E. BatesChuck for Holding Socketschucks
881,449Mar. 10, 1908G.A. SmithThread Cutting Devicealligator wrenches
966,105Aug. 02, 1910J.P. LavigneAutomatic die-headtaps and dies
995,413Jun. 13, 1911H.F. MusslerReamerreamers
1,038,670Sep. 17, 1912O.A. SmithThreading Die
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