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Patents for William F. Ross
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  372,067Oct. 25, 1887W.P. HaleGrain-binding harvester
  372,068Oct. 25, 1887W.P. HaleHarvester-reel
426,859Apr. 29, 1890S. Ross, Jr.Sand-paper roll
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