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Patents for William B. Chambers
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
142,548Sep. 09, 1873J. AllowaysImprovement in cutter-heads for molding-machinescutterheads
154,046Aug. 11, 1874A.L. HillHog-Ringing Nippershog ring
158,274Dec. 29, 1874A.L. HillHog-holding Implementshog tongs
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