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All Patents in class 408/239R
Patents 1 - 15 of 71
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NumberDatePatenteeTitleType
120,351Oct. 24, 1871B.L. WalkerHolders for Screw Cutting Diestap and die holders
140,727Jul. 08, 1873S.W. Putnam, Jr.Improvement in nut-tapping machinesnut or bolt making machines
161,311Mar. 23, 1875F.E. WellsScrew-Threading Dietaps and dies
187,600Feb. 20, 1877G. CollinsCombination Countersink, Screwdriver & Gimlet Bitcountersinks
243,978Jul. 05, 1881G.S. RomingerThree-jaw chuck with self-aligning jaws
295,904Apr. 01, 1884M.S. BrooksTap Wrenchtap wrenches and die stocks
392,490Nov. 06, 1888C.E. BillingsCommutator-bar for dynamo-electric machinesmotor commutators
393,511Nov. 27, 1888S.D. LelandTap Driving Headtap and die holders
442,828Dec. 16, 1890C.P. RussellScrew-cutting dietaps and dies
460,922Oct. 06, 1891S.B. MinnichCompensating bit-holder
464,659Dec. 08, 1891A.E. BrionTap Wrenchtap wrenches and die stocks
506,961Oct. 17, 1893F.C. WilliamsTap Wrenchtap wrenches and die stocks
549,250Nov. 05, 1895T.P. OwenTool Holder for Jewelers Latheslathe tool holders and tool posts
720,554Feb. 17, 1903C. BeneshCombined Wrench and Thread Cutteralligator wrenches
761,348May 31, 1904J.E. BatesChuck for Holding Socketschucks
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