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| Patents for Charles Otis | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,384X | Feb. 16, 1831 | C. Otis | Distilling apparatus | distilling apparatus | |
| 7,307X | Nov. 29, 1832 | C. Otis | Machine for cutting sausage meat | ||
| FX-8,893 | Jun. 15, 1835 | C. Otis | Churn | churns | |