| Patents Granted on 1838-??-?? |
Patents 1 -
15
of 86
      |
| Number | Date | Patentee | Title | Type |
| RX-1 | Jan. 09, 1838 | J. Hatch | Machine for sowing plaster, ashes, seed, and other separable substances | crop planters |
| 554 | Jan. 09, 1838 | S.P. Douglass | Mode of Constructing and Operating Churns, &c. | churns |
| 555 | Jan. 09, 1838 | B. Langdon | Machine for planing plank boards and clapboards | wood planers |
| 556 | Jan. 09, 1838 | B. Langdon | Machine for planing shingles | shingle machines |
| 557 | Jan. 09, 1838 | J. MacGregor, Jr. | Planing-machine | wood planers |
| 570 | Jan. 09, 1838 | J. Brainerd | Machine for mortising and dovetailing | mortising machines |
| 572 | Jan. 20, 1838 | J. Badger | Machine for Boring Framing-Timber | portable timber mortisers |
| 573 | Jan. 20, 1838 | N.R. Merchant | Improvement in the machine for sowing or planting ruta-baga and other seeds or grain | crop planters |
| 582 | Jan. 27, 1838 | L. Wells | Machine for cutting headings for casks from saturated timber | barrel making machines |
| 586 | Jan. 27, 1838 | B.B. Slade | Machine for cutting lagging | molders |
| 587 | Jan. 27, 1838 | J.G. Conser | Machine for Cutting or Mincing Vegetables, Meat, and Other Substances | vegetable cutters and slicers |
| 590 | Feb. 03, 1838 | J. Barker | Saw for Sawing Ice | |
| 594 | Feb. 06, 1838 | E.W. Carpenter | Method of Constructing the Screw-Arms for All Kinds of Planes Regulated with Screw-Arms | plow planes |
| 612 | Feb. 21, 1838 | S. Shepherd, D. Baldwin | Matcher | wood planers |
| 617 | Feb. 22, 1838 | E. Horton | Mode of operating the treadles in power-looms | looms |
