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| Patents for N. O. Mitchell | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 6,038 | Jan. 16, 1849 | W.M. Davis | Machinery for making boxes | |
![]() | 6,253 | Apr. 03, 1849 | E. Webber, C. Hartshorn | Machinery for turning lasts and other irregular figures from reverse patterns | |