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| Patents for James T. Hill | |||||
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| Number | Date | Patentee | Title | Type | |
| 128,612 | Jul. 02, 1872 | J.T. Hill, C. Gilpin | Improvement in machines for rossing bark | debarking machines | |
| 168,474 | Oct. 05, 1875 | J.C. Gaither, J.T. Hill | Improvement in combined bolt and lath machines | lath making machines | |