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Patents for Frances M. Frost
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
864,325Aug. 27, 1907C.B. McDonaldCan-forming machinecan making machines
938,165Oct. 26, 1909C.B. McDonaldCan-testing machinecan making machines
1,017,408Feb. 13, 1912E.M. GrahamJaws for Chucksbrace chucks
1,141,679Jun. 01, 1915W.A. BarkerElectrically-driven hoisthoists, winches, come-alongs
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