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| Patents Granted on 1830-05-08 | |||||
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| Number | Date | Patentee | Title | Type | |
| NX-5,953 | May 08, 1830 | B. Hinckley | Veneering | veneer machines | |
| 5,953X | May 08, 1830 | J.H. Punchard | Crimping boot fronts | shoe and boot making machines | |
| 5,954X | May 08, 1830 | T. Sheffield | Raising vessels by means of sliding ways | boat raising machines | |