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Patents for William R. McComas
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
65,582Jun. 11, 1867S. MalesImproved safety-guard for railway cars
122,426Jan. 02, 1872M.L. AndrewImprovement in shaft-couplingsindustrial machine shaft couplings
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