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| Patents Granted on 1818-12-10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,035X | Dec. 10, 1818 | J.L. Sullivan | Improvement on Morey's steam engine | steam engines | |
| 3,036X | Dec. 10, 1818 | J.L. Sullivan | Double stern wheel for boats | nautical propulsion apparatus | |