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Patents for William H. Banfield
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-9,823Apr. 08, 1879W.H. BanfieldImprovements on fire kindlers
CA-224,694Oct. 10, 1922W.H. BanfieldManufacture of piston ringsmetalworking machines
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