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| Patents for David Porter | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,432X | Feb. 08, 1816 | D. Porter | Boats to be worked, power of quadrupeds | nautical propulsion apparatus | |
| 7,830X | Nov. 19, 1833 | D. Porter | Thrashing machine | threshers and thrashers | |