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| Patents Granted on 1822-03-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,475X | Mar. 13, 1822 | J. Sharp | Spinning woolen yarn | spinner | |
| 3,476X | Mar. 13, 1822 | J.C. Brockway | Anti-Dysenteric Pills | medical pills and syrups | |
| 3,477X | Mar. 13, 1822 | A. Woods | Nursing and other chairs | ||