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| Patents Granted on 1813-05-29 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,933X | May 29, 1813 | A. Steel, S. Briggs | Steam engine | steam engines | |
| 1,934X | May 29, 1813 | S. Anthony | Furnace and boilers for manufacturing salt | salt making apparatus | |