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