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| Patents for Jacob Canfield | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,079X | Jun. 26, 1809 | J. Canfield | Straw Cutting Machine | hay or straw cutters | |
| 1,087X | Jun. 28, 1809 | J. Canfield | Pumps | pumps | |