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Patents for Donn Twitchell
Patents 16 - 25 of 25
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
456,830Jul. 28, 1891M. MartinMachine Wrenchtire bolt wrenches
456,860Jul. 28, 1891H.R. SpencerNipple Holder
459,648Sep. 15, 1891W. PotterInstrument for Describing Outlines of Objectsscribes
488,158Dec. 13, 1892D.C. WiestWrenchratchet wrenches
513,594Jan. 30, 1894W.A. PapounWrenchquick adjust wrenches
572,035Nov. 24, 1896W.C. StokesWrenchscrew adjust wrenches
601,506Mar. 29, 1898C.D. EamesTongspipe wrenches
626,604Jun. 06, 1899F.K. GaffMechanical Devicebar and pipe clamps
636,673Nov. 07, 1899R. KlattWrenchquick adjust wrenches
652,573Jun. 26, 1900A.S. WilliamsonFuse Waterproof Detonator Crimperpliers
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