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Patents for Sheridan Roberts
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
30,425Oct. 16, 1860S. RobertsImproved method of making barrels
31,558Feb. 26, 1861S. RobertsImproved method of making barrels
34,847Apr. 01, 1862S. RobertsImprovement in barrel-making machines
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