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All Patents of Type: taps and dies
Patents 1 - 13 of 13
First set of recordsLast set of records
20,168May 04, 1858R. NuttallCutting Screwstaps and dies
164,481Jun. 15, 1875V.J. ReeceImprovement in screw-cutting diestaps and dies
198,945Jan. 08, 1878J.M. JohnsonImprovement in collapsible screw-tapstaps and dies
385,543Jul. 03, 1888A. BurrittTap with Detachable Cutterstaps and dies
490,676Jan. 31, 1893H.W. OsterAdjustable die-stocktap wrenches and die stocks
541,209Jun. 18, 1895G.S. LongScrew-cutting tooltaps and dies
607,726Jul. 19, 1898C.A. BaileyPipe Threading Implementtaps and dies
CA-113,179Jul. 28, 1908P. JardineDie headtaps and dies
CA-119,956Aug. 17, 1909P. JardineThread cutting dietaps and dies
CA-120,612Sep. 21, 1909P. JardineTap for cutting tapered threadstaps and dies
CA-200,539Jun. 01, 1920P. JardineCollapsible taptaps and dies
CA-200,540Jun. 01, 1920P. JardineCollapsible taptaps and dies
1,506,484Aug. 26, 1924L.F. HartDiestocktaps and dies
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