| Patents Granted on 1842-03-?? |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| GB-184,209,078 | Mar. 08, 1842 | J. Garnett, J. Mason | Improvements in machinery employed in the manufacture of yarns and cloth | |
| 2,481 | Mar. 09, 1842 | H.H. Herrick | Machine for cutting shingles | shingle machines |
| 2,485 | Mar. 09, 1842 | P.H. Green, H.H. Evarts | Construction of rotary engines to be propelled by either water or steam | steam engines |
| 2,500 | Mar. 23, 1842 | T. Hawkins | Tailor's Shears | shears |
| 2,522 | Mar. 28, 1842 | L. Morse, B.R. Stevens | Improvement in the Mode of Fixing Daguerreotype-Impressions so as to Allow of Colors Being Applied to the Same | daguerreotypes |
