| Patents Granted on 1842-01-?? |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| XC-170 | Jan. 13, 1842 | C.M. Tate | An improved method of giving motion and efficacy to the propellor in steam boats and other vessels | steamboats |
| 2,425 | Jan. 17, 1842 | J.A. Fay | Machine for mortising timber | mortising machines |
| XC-171 | Jan. 21, 1842 | C.M. Tate | An improved method of constructing cambs for the purpose of opening the cut-off, or other valves of steam engines | steam engine valve gear |
| XC-172 | Jan. 27, 1842 | C.M. Tate | A new method of tanning hides or skins | tanner |
| XC-173 | Jan. 27, 1842 | C.M. Tate | A new and improved method of extracting the tannin from bark | bark processing machines |
