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| Patents for Thomas Steel | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 11,210 | Jul. 04, 1854 | A.S. Copeland | Mechanism for operating sawmill carriages | |
 | 15,414 | Jul. 29, 1856 | A.S. Copeland | Sawing machinery | |
 | 15,920 | Oct. 21, 1856 | W. Black | Corn Sheller | |