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All Patents in class 432/118
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
76,581Apr. 14, 1868J.F. AllenImprovement in decarbonizing iron
  616,790Dec. 27, 1898M.F. HamsleyApparatus for Roasting Coffee Berries
  719,717Feb. 03, 1903J. ArbuckleApparatus for Roasting Coffee
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