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Patents for James E. Underwood
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
179,628Jul. 04, 1876J.E. UnderwoodWrenchbrace wrenches
186,965Feb. 06, 1877J.E. Underwood, F.H. UnderwoodImprovement in beltingindustrial machine pulleys and belt drive mechanisms
219,606Sep. 16, 1879J.E. Underwood, F.H. UnderwoodImprovement in beltingindustrial machine mechanisms
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