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| Patents Granted on 1830-02-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,842X | Feb. 23, 1830 | Z. Allen | Finishing woollen cloth | dressing cloth | |
| 5,843X | Feb. 23, 1830 | Z. Allen | Finishing woollen cloth | dressing cloth | |
| 5,844X | Feb. 23, 1830 | W.W. Smith | Raising canal boats, ships, etc. | boat raising machines | |
| 5,845X | Feb. 23, 1830 | I. Wilson | Mill for grinding corn (Grist mill) | grist mills | |
| NX-183,002,231 | Feb. 23, 1830 | W.W. Smith | Raising Canal Boats | boat raising machines | |