| Patents for James Hamilton |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| GB-185,400,976 | May 01, 1854 | J. Hamilton | Improvements in machinery for crushing quartz and other substances | stone crushers |
| AI124 | May 22, 1855 | J. Hamilton | Quartz crusher | |
| 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 |
