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Patents for John Becker
Patents 16 - 30 of 33
First set of recordsPrevious set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
169,812Nov. 09, 1875R. JackWrenchangle adjustable wrenches
179,281Jun. 27, 1876H. DinningPliers for Securing Eyelet-Hooks in Leatherpliers
183,235Oct. 10, 1876M. Vassar, IIImprovement in Ratchet-Wrenchesratchet wrenches
192,423Jun. 26, 1877C. ElterichTap Wrenchtap wrenches and die stocks
193,301Jul. 17, 1877M. Vassar, IIRatchet-Wrenchratchet wrenches
195,173Sep. 11, 1877C. Burroughs, A.A. SanbornMonkey-Wrenchesquick adjust wrenches
210,106Nov. 19, 1878P. EverittScrew-Stockstap wrenches and die stocks
212,288Feb. 11, 1879M. Vassar, IILeather Gagespecial purpose gauges
226,052Mar. 30, 1880J. EricssonAir-Engine
325,991Sep. 08, 1885H. TaborSpeed Indicatorwheel-based measurers
399,348Mar. 12, 1889G.M. RichardsHydrocarbon Engine
406,662Jul. 09, 1889J.D. MoranChain Wrenchchain and strap wrenches
474,898May 17, 1892J. BeckerMilling-machinemilling machines
489,282Jan. 03, 1893J. BeckerMilling Machinemilling machines
577,255Feb. 16, 1897B. HersteinWrenchwrenches
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