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| Patents for Oneida Steam Engine & Foundry Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 136,349 | Feb. 25, 1873 | J.H. Westcott | Improvement in chucks | |
 | 148,788 | Mar. 17, 1874 | J.H. Westcott | Improvement in Chucks for Metal Lathes | |
 | 159,989 | Feb. 16, 1875 | J.H. Westcott | Improvement in chucks | |
 | 308,541 | Nov. 25, 1884 | J.H. Westcott | Chuck | |
 | 315,684 | Apr. 14, 1885 | J.H. Westcott | Drill-Chuck | |
 | 315,685 | Apr. 14, 1885 | J.H. Westcott | Lathe-chuck | |