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| Patents Granted on 1812-12-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,860X | Dec. 31, 1812 | J. Bouis | Camboose (Stove) | stoves | |
| 1,861X | Dec. 31, 1812 | E. Hart | Rake for collecting apples | apple rakes | |
| 1,862X | Dec. 31, 1812 | W. Howe | Lamp for Nurses | lamps | |