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| Patents for Nathaniel Foster | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,089X | Jun. 28, 1809 | N. Foster | Hemp and flax spinning machine | flax and hemp machines | |
| 1,962X | Jul. 08, 1813 | N. Foster | Improvement in his spinning machine patented 1809-06-28. | spinner | |
| 8,041X | Mar. 03, 1834 | N. Foster, W. VanVleck | Cisterns, reservoirs, and walls for holding water | ||