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Patents for Wm. B. Chambers
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
154,046Aug. 11, 1874A.L. HillHog-Ringing Nippershog ring
206,419Jul. 30, 1878W.D. BrownInstrument For Ringing Swinehog ring
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