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| Patents Granted on 1831-02-17 | |||||
| Number | Date | Patentee | Title | Type | |
| 6,385X | Feb. 17, 1831 | J. Hayden, Jr. | Metallic buttons flexible shank | ||
| 6,386X | Feb. 17, 1831 | T. Hunt | Paddle wheel for steamboats | steamboats | |