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Patents for Sheridan Roberts | |||||
Number | Date | Patentee | Title | Type | |
30,425 | Oct. 16, 1860 | S. Roberts | Improved method of making barrels | barrel making machines | |
31,558 | Feb. 26, 1861 | S. Roberts | Improved method of making barrels | barrel making machines | |
34,847 | Apr. 01, 1862 | S. Roberts | Improvement in barrel-making machines | barrel making machines |