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| Patents for Azel Pierson | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,461X | Mar. 02, 1811 | A. Pierson | Chain paddles for propelling boats | nautical propulsion apparatus | |
| 3,446X | Jan. 31, 1822 | A. Pierson, T. Elmer | Polygonal wheel and chain paddles for propelling boats | nautical propulsion apparatus | |