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All Patents of Type: taps and dies
Patents 1 - 15 of 30
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NumberDatePatenteeTitleType
5,103May 08, 1847P.W. GatesScrew Cutting Dietaps and dies
9,537Jan. 11, 1853A. MayerArrangement of Screw-Cutting Diestaps and dies
114,935May 16, 1871G.H. FoxImprovement in screw-tapstaps and dies
115,291May 30, 1871L.R. FaughtImprovement in die-stocks for cutting screwstaps and dies
186,890Jan. 30, 1877A.J. SmartImprovement in screw-cutting diestaps and dies
198,945Jan. 08, 1878J.M. JohnsonImprovement in collapsible screw-tapstaps and dies
279,360Jun. 12, 1883J.W. DouglasCombined Drill or Reamer, Tap and Sockettaps and dies
303,060Aug. 05, 1884A.J. SmartScrew Cutting Dietaps and dies
311,549Feb. 03, 1885F.E. WellsDie-stocktaps and dies
425,655Apr. 15, 1890W.E. CanedyScrew-cutting die and stocktaps and dies
433,334Jul. 29, 1890G.L. EngrenScrew Cutting Dietaps and dies
442,827Dec. 16, 1890C.P. RussellScrew-cutting dietaps and dies
442,828Dec. 16, 1890C.P. RussellScrew-cutting dietaps and dies
490,676Jan. 31, 1893H.W. OsterAdjustable die-stocktap wrenches and die stocks
541,209Jun. 18, 1895G.S. LongScrew-cutting tooltaps and dies
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