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| Patents Granted on 1824-09-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,940X | Sep. 13, 1824 | S. Fowkes | Vertical cylindrical foot mill | ||
| 3,941X | Sep. 13, 1824 | J. Buchanan | Producing steam for steam engines | steam engines | |
| 3,942X | Sep. 13, 1824 | N. Tufts, II | Wheel barrows for brick | bricklayer | |