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Patents for William D. Brown
Patents 1 - 5 of 5
First set of recordsLast set of records
154,832Sep. 08, 1874W.D. BrownImprovement in Instruments For Ringing Hogshog ring
206,419Jul. 30, 1878W.D. BrownInstrument For Ringing Swinehog ring
400,057Mar. 26, 1889G.N. ClemsonHack-sawhacksaws
417,404Dec. 17, 1889G.N. ClemsonSawhacksaws
417,425Dec. 17, 1889J.R. HoffmanBand-saw pulleybandsaw wheels
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