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Patents for Charles A. Mann
Patents 1 - 3 of 3
First set of recordsLast set of records
9,030XAug. 17, 1835S. MerrickImprovement in screw wrenchnut wrenches
2,654May 30, 1842W. BakerMachine for manufacturing wood so as to be used as a substitute for curled hair in stuffing bedsexcelsior machines
625,046May 16, 1899C.A. MannScrewdriverscrewdriver blades
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