| Patents Granted on 1812-02-__ |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 1,656X | Feb. 03, 1812 | J. Quinby | Regulated mill | miller |
| 1,657X | Feb. 03, 1812 | R. Reeve, M. Reeve | Machine for cutting and heading nails | nail making machines |
| 1,658X | Feb. 04, 1812 | N.L. Moore | Machine for cramping boot legs | shoe and boot making machines |
| 1,659X | Feb. 07, 1812 | U.K. Hill | Musical types | |
| 1,660X | Feb. 07, 1812 | A. Spencer | Ruling machine | ruling machines |
| 1,661X | Feb. 08, 1812 | R. Yeamans, J. Curtis | Steam engines | steam engines |
| 1,662X | Feb. 10, 1812 | C. Craft (Crafts) | Whirl and regulator for spinning flax, hemp, tow, etc. | flax and hemp machines |
| 1,663X | Feb. 11, 1812 | A. Norton | Increasing press (cheese press) | cheese press |
| 1,664X | Feb. 13, 1812 | J. Root | Air backs for chimneys | |
| 1,665X | Feb. 17, 1812 | A.H. Quincy | Furnace for Heating Ovens | furnaces |
| 1,666X | Feb. 17, 1812 | R. Crosbie | Granulating gun powder | gunsmith |
| 1,667X | Feb. 17, 1812 | R. Crosbie | Rolling draw bridges | drawbridges |
| 1,668X | Feb. 18, 1812 | M. Pennock | Wind and water mill | |
| 1,669X | Feb. 19, 1812 | W. Shaw | Rowing and propelling boats | nautical propulsion apparatus |
| 1,670X | Feb. 21, 1812 | B.S. Hort | Thrashing machine | miller |
