| Patents Granted on 1809-12-?? |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 1,175X | Dec. 01, 1809 | W. Russell | Mariner's compass | |
| 1,176X | Dec. 05, 1809 | A. Farra | Double bored pendulum pump | pumps |
| 1,177X | Dec. 08, 1809 | L. Schrack | Balance wheel pump | pumps |
| 1,178X | Dec. 08, 1809 | J. Wetmore | Churn | churns |
| 1,179X | Dec. 16, 1809 | P. Groff | Fishing seine and mode of using it | |
| 1,180X | Dec. 20, 1809 | W.E. Sheffield | Machine for sawing felloes | other wood sawing machines |
| 1,181X | Dec. 20, 1809 | E. Ford | Floating mill and silent fisher | |
| 1,182X | Dec. 21, 1809 | E. Olds, P. Upham | Sawing machine | other wood sawing machines |
| 1,183X | Dec. 21, 1809 | P. White, E. Jones | Machine for drilling rocks | |
| 1,184X | Dec. 27, 1809 | A. Cady | Thrashing and shelling machine | miller |
| 1,185X | Dec. 28, 1809 | W. Mason | Hemp break | flax and hemp machines |
| 1,186X | Dec. 29, 1809 | S. Belknap | Chain band with buckets to give motion to mills | miller |
