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Patents for A. F. Cushman
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
41,571Feb. 09, 1864A.F. CushmanImprovement in Box Planes or Scrapers
  50,691Oct. 31, 1865A.F. CushmanScroll Chuck
51,384Dec. 05, 1865A.F. CushmanImprovement in scroll-chucks
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