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Patents for G. M. Copenhaver
Patents 1 - 6 of 6
First set of recordsLast set of records
404,001May 28, 1889E.E. HeacockCombination Toolcombination tools
446,072Feb. 10, 1891C.H. MyersCombined Ratchet Wrench & Screwdriverwrench combination tools
446,073Feb. 10, 1891C.H. MyersRatchet Wrench & Drillwrench combination tools
528,211Oct. 30, 1894H.G. SedwickSlow Motion Attachment for Microscopes
534,453Feb. 19, 1895T.M. SimcoeWrenchpipe and nut combination wrenches
638,378Dec. 05, 1899W.S. CasterlinTongsblacksmith
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