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Patents for John Childs
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
159,229Jan. 26, 1875H.C. StoufferImproved Pipe-Tongspipe tongs
166,428Aug. 03, 1875H.C. StoufferImprovement in Pipe-Wrenchesscrew adjust wrenches
182,492Sep. 19, 1876H.C. StoufferPipe-Wrenchpipe tongs
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