| Patents Granted on 1815-05-?? |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 2,304X | May 01, 1815 | J. Hatch | Machine for cutting files | files |
| 2,305X | May 11, 1815 | T. Warner | Thrashing machine | miller |
| 2,306X | May 11, 1815 | A. Lane | Stoves | stoves |
| 2,307X | May 15, 1815 | C. Harris | Iron back log for warming rooms | |
| 2,308X | May 15, 1815 | J. Lane | Washing machine | washing machines |
| 2,309X | May 15, 1815 | J. Lane | Churn | churns |
| 2,310X | May 16, 1815 | L. Gale | Bark mills | bark processing machines |
| 2,311X | May 16, 1815 | A. Danielson | Water used on wheels successively | |
| 2,312X | May 16, 1815 | A. Danielson | Fulling mill | miller |
| 2,313X | May 16, 1815 | J. Brownell | Auger | auger bits |
| 2,314X | May 19, 1815 | C.D. Colden | Hydrostatic paradox machine to move | |
| 2,315X | May 23, 1815 | W. Atchison | Open backed spring box boot | |
| 2,316X | May 23, 1815 | T. Puffer | Pressing machine | |
| 2,317X | May 23, 1815 | S. Smith | Making whiskey | |
| 2,318X | May 24, 1815 | J. Jelleff (Jelleffs) | Looms | looms |
