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Patents for John J. Hill
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PictureNumberDatePatenteeTitle
71,387Nov. 26, 1867J.J. HillImprovement in Clamps for Planking Ships' Sides or Floors
  362,490May 10, 1887W.E. Dodd, J.J. Hill, C.W. CampbellReel for Displaying and Measuring Dry Goods
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