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| Patents for Jehiel W. Dart | |||||
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| Number | Date | Patentee | Title | Type | |
| FX-6,346 | Jan. 21, 1831 | W. Webster, J.W. Dart | Propelling mills | industrial machine pulleys and belt drive mechanisms | |
| 6,621X | Jul. 20, 1831 | J.W. Dart, W. Webster | Grist mill | grist mills | |
| 6,962X | Mar. 10, 1832 | J.W. Dart, W. Webster, J. Newton, E. Harris | Machine for grinding and shelling apples, potatoes, etc. | apple graters | |
| 9,070X | Sep. 09, 1835 | J.W. Dart, S. Wood | Application of water power to mills | water wheels | |