| Patents Granted on 1842-05-?? |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 2,614 | May 07, 1842 | D.M. Cummings | Machine for cutting shingles | shingle machines |
| 2,615 | May 07, 1842 | S. Darling, 2nd | Manner of arranging the saw-gates and fender-posts of sawmills | sawmill carriages |
| XC-177 | May 16, 1842 | J. Smith, T. Dissett | A new and improved method of laying down marine railways | railroad cars and carriages |
| RX-37 | May 17, 1842 | A.J. Murray | Improvement in Portable Presses for Pressing Tobacco, Cotton, Hay, etc. | tobacco machinery |
| RE38 | May 17, 1842 | S. Merrick | Improvement in Screw Wrenches | nut wrenches |
| RX-38 | May 17, 1842 | S. Merrick | Improvement in the Screw Wrenches | nut wrenches |
| 2,629 | May 20, 1842 | R.M. Hoe | Double-cylinder printing-press | printer |
| 2,632 | May 20, 1842 | I. Sheetz | Mill for sawing fellies and other circular stuff | wheelwright |
| 2,637 | May 26, 1842 | J.R. Remington | Improvement in Pneumatic Engines | |
| 2,643 | May 26, 1842 | R.T. Hough, E. Page, J. Benson | Method of and machine for sawing boards into oars for rowing-boats | reciprocating saws |
| 2,652 | May 30, 1842 | S. Learned | Machine for dressing staves for barrels, casks, &c. | barrel making machines |
| 2,654 | May 30, 1842 | W. Baker | Machine for manufacturing wood so as to be used as a substitute for curled hair in stuffing beds | excelsior machines |
| 2,656 | May 30, 1842 | R.M. Hoe | Machinery for grinding and polishing metallic surfaces, particularly saw-plates | tool making machines |
