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| Patents for Nathaniel Hill | |||||
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| Number | Date | Patentee | Title | Type | |
| 157,438 | Dec. 08, 1874 | C. Bridges | Improvement in Block-Planes | block planes | |
| 164,367 | Jun. 15, 1875 | R.H. Eldridge, O.S. Eldridge | Improvement in machines for making pins and dowels | dowel making machines | |