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All Patents in class 408/142
Patents 1 - 15 of 25
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NumberDatePatenteeTitleType
466,946Jan. 12, 1892D.J. HurleyTapping Devicetap and die holders
529,169Nov. 13, 1894J. HartnessScrew Cutting Dietap and die holders
564,700Jul. 28, 1896H. KupschOpen Die Headtap and die holders
631,080Aug. 15, 1899A.C. KraftTurret Lathe Tool Holderlathe tool holders and tool posts
635,324Oct. 24, 1899R. KilburnTap for Forming Screw Threadstaps and dies
649,733May 15, 1900J.P. LavigneDie Head
687,804Dec. 03, 1901H. WhartonDie or Tool Holdertaps and dies
726,674Apr. 28, 1903C.L. GoodrichTool Holder for Screw Machineslathe tool holders and tool posts
909,748Jan. 12, 1909I.W. Sprink, F.L. BrownAutomatic Die Headtap and die holders
1,119,676Dec. 01, 1914R.A. BoehmThreading-die holdertap and die holders
1,132,536Mar. 16, 1915A.J. PranceScrew-cutting taptapping heads and chucks
1,254,933Jan. 29, 1918A. Abbey, E. PeuchDrilling, Screw Cutting , and Other Similar Machinedrill press chucks
1,255,223Feb. 05, 1918A.J. PranceScrew-cutting dietapping heads and chucks
1,345,710Jul. 06, 1920A.A. ShaferCollapsible Tap taps and dies
1,345,744Jul. 06, 1920R.A. BoehmCollapsible Tap taps and dies
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