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| Patents Granted on 1812-12-10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,847X | Dec. 10, 1812 | R. Smether | Bridles | ||
| 1,848X | Dec. 10, 1812 | J.(. Sanford | Boring rocks | stonemason | |
| GB-181,203,621 | Dec. 10, 1812 | J. Lean, Jr., R.W. Fox, Jr. | Improvements on steam engines and the apparatus needful or expedient to be used with the same | steam engines | |