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Patents for Oscar F. Hill
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  543,647Jul. 30, 1895C.H. Benjamin, C.W. GliddenGrinding Machine
620,121Feb. 28, 1899C.T. GuildWrench
655,908Aug. 14, 1900W.H. MorseRatchet-Wrench
  1,315,631Sep. 09, 1919A. LavigneLoom
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