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| Patents for James Hamilton | |||||
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| Number | Date | Patentee | Title | Type | |
| 25,113 | Aug. 16, 1859 | J. Hamilton | Crosscut-sawing machine | firewood machines | |
| 43,688 | Aug. 02, 1864 | J. Hamilton | Improvement in sawmills | reciprocating sawmills | |
| 74,549 | Feb. 18, 1868 | J. King | Improved ditching-machines | ||
| 636,127 | Oct. 31, 1899 | M. Flather | Driving Mechanism for Shapers and Planers | metal planers | |
| 698,436 | Apr. 29, 1902 | W.E. Bolster | Mallet | mallets | |