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| Patents Granted on 1810-03-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,244X | Mar. 22, 1810 | A.G. Toothill | Propelling and navigating boats, vessels, rafts, etc. | nautical propulsion apparatus | |
| 1,245X | Mar. 22, 1810 | D. Hunt | Machine for making mortar | bricklayer | |