| Patents Granted on 1797-??-?? |
Patents 1 -
15
of 53
      |
| Number | Date | Patentee | Title | Type |
| 146X | Jan. 06, 1797 | J. Nazro | Improvement in making soap | manufacturing processes |
| 147X | Jan. 06, 1797 | J. Nazro | Extracting Alkali from Marine Salt and Kelp | making alkali |
| 148X | Jan. 21, 1797 | C.W. Peale | Improvement in bridges | |
| 149X | Feb. 16, 1797 | J. Spence | Cutting and Heading Nails | nail making machines |
| 150X | Feb. 16, 1797 | J.F. Mangin | Cutting and Polsihing Marble | stonemason |
| 151X | Feb. 20, 1797 | J. McCallmont | Stoves | stoves |
| 152X | Feb. 20, 1797 | S. Mullikin | Scouring or Skinning Rice | miller |
| 153X | Feb. 24, 1797 | R. Stuart | Improvement in Chimneys | chimneys |
| 154X | Feb. 24, 1797 | J. Fowler | Improvement in bridges | |
| 155X | Feb. 24, 1797 | J. Kersey | Heading and Cutting Nails | nail making machines |
| 156X | Feb. 24, 1797 | L. Allwine | Improvement in mixing colours and painting | manufacturing processes |
| 157X | Mar. 11, 1797 | T. Hirsh | Stoves | stoves |
| 158X | Mar. 11, 1797 | W. Booker | Machine for Thrashing Wheat, etc. | miller |
| 159X | Mar. 18, 1797 | S. Betts | Tide Water Wheel | tide mills |
| 160X | Mar. 28, 1797 | N. Briggs | Improvement in washing clothes | washing machines |
