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| Patents for Peter H. Niles | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,315 | Aug. 26, 1851 | P.H. Niles | Adjustable Tool-Haft | tool handles | |
| 16,705 | Feb. 24, 1857 | P.H. Niles | Device to operate the mandrel-cutters in turning tapering sticks | wood lathes | |
| 22,447 | Dec. 28, 1858 | P.H. Niles | Lathe for turning masts, etc. | wood lathes | |