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Patents for R. M. Pierson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
707,734Aug. 26, 1902J.L. TylerMitering-machinemiter machines
741,292Oct. 13, 1903R.W. BaileyFine Adjustment for Protractorsprotractors
861,283Jul. 30, 1907H.J. HjorthWire Winding Toolspring winding tools
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