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| Patents Granted on 1821-02-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,295X | Feb. 19, 1821 | P. Moody | Cotton roping (double speeder) | spinner | |
| 3,296X | Feb. 19, 1821 | P. Moody | Cotton spinning frames | spinner | |
| 3,297X | Feb. 19, 1821 | P. Moody | Machine for roping or spinning cotton | spinner | |