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| Patents Granted on 1812-11-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,827X | Nov. 12, 1812 | R. Lathrop | Mill wheel | miller | |
| 1,828X | Nov. 12, 1812 | F. Grice, D. Large | Steam boats and steam engines | steam engines | |