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Patents for F. A. Macomber
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
171,247Dec. 21, 1875G.B. SeldenImprovement in machines for shaving half-round hoops
RE7,799Jul. 17, 1877G.B. SeldenImprovement in machines for shaving half-round hoops
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