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| Patents Granted on 1813-05-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,925X | May 12, 1813 | J. Brown | Farmer's spinner, for roping and spinning wool | spinner | |
| 1,926X | May 12, 1813 | P. Williamson | Machine for shot and bullets | gunsmith | |