| Patents Granted on 1812-12-__ |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 1,844X | Dec. 04, 1812 | P. Gaillard | Mowing machine | mowing machines |
| 1,845X | Dec. 05, 1812 | S. Skiff | Thrashing machine | miller |
| 1,846X | Dec. 08, 1812 | O. Barrett, Jr. | Machine for making cloth by felting | |
| 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 |
| FX-1,848 | Dec. 13, 1812 | J. Bouis | Oven for baking | ovens |
| 1,849X | Dec. 14, 1812 | J. Houpt, Jr. | Thrashing machine | miller |
| 1,850X | Dec. 14, 1812 | W.H. Peabody | Wheel heads (domestic spinning) | wheel heads |
| 1,851X | Dec. 17, 1812 | F. Tudor | Building or modelling ships or vessels | boats and ships |
| 1,852X | Dec. 17, 1812 | I. Stilliman | Propelling boats by sculling | nautical propulsion apparatus |
| 1,853X | Dec. 21, 1812 | A. Webster | Linen spinner | spinner |
| 1,854X | Dec. 24, 1812 | J. Loomis | Shingles | shingle machines |
| 1,855X | Dec. 30, 1812 | W. Edwards | Hide mill or machine for softening dry hides | leatherworker |
| 1,856X | Dec. 30, 1812 | W. Edwards | Mill for softening hide, etc. | |
