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All Patents in class 69/29
Patents 1 - 7 of 7
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  6,492XApr. 19, 1831S.D. InghamCanal navigation by boats
  6,504XApr. 21, 1831R. McCormick, Jr.Art of teaching violin
  6,824XNov. 04, 1831A. ConwellTan yard
  8,329XJul. 28, 1834E.S. Bell, D. BellTanning hides and skins by compression rollers
  9,510XMar. 18, 1836H. LochierTanning
  9,673XMay 23, 1836S. HeathTanning
  9,898XJul. 02, 1836S.T. WalkerHydrant
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