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| Patents for Nahum Swett | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,564X | Dec. 24, 1834 | N. Swett | Washing machine and churn | washing machines | |
| 9,246X | Nov. 14, 1835 | N. Swett | Machine for extracting hair from fur skins | ||