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Patents for Ambrose Foster
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  4,944XDec. 19, 1827A. FosterCommon hand rake for hay
6,766XSep. 28, 1831A. Foster, W. AveryReacting steam engine
  XC-146Nov. 21, 1833A. FosterAn improvement in the steam engine, called the re-acting engine
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