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| Patents Granted on 1830-05-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,002X | May 28, 1830 | T. Evans | Lifting ships out of water | boat raising machines | |
| 6,003X | May 28, 1830 | I. Brewster | Churn | churns | |
| 6,004X | May 28, 1830 | D. Jarves | Moulds for glassmakers | glassmaker | |
| 6,005X | May 28, 1830 | A.W. Roberts | Furnace for tailors | ||
| 6,006X | May 28, 1830 | I.W. Smith | Chemical catholicon | ||