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| Patents Granted on 1831-03-24 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,432X | Mar. 24, 1831 | H. Chapman | Rolling lever carriage | ||
| 6,433X | Mar. 24, 1831 | J. Revere | Compound for sheathing ships | boats and ships | |