| Patents Granted on 1823-03-__ |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 3,667X | Mar. 06, 1823 | W. Hopkins | Machine for cleaning cotton, or cotton whipper | cotton whippers |
| 3,668X | Mar. 06, 1823 | W.M. Dodge | Art of printing | |
| 3,669X | Mar. 06, 1823 | A. Thayer, Jr. | Steam engine | steam engines |
| 3,670X | Mar. 10, 1823 | G.T. Sadler | Machine for cleaning cotton | cotton gins |
| 3,671X | Mar. 12, 1823 | H. Aiken | Knife for splitting leather | leatherworker |
| 3,672X | Mar. 12, 1823 | H. Aiken | Coach and chaise hames | |
| 3,673X | Mar. 12, 1823 | E.S. Townsend | Towing boats | nautical propulsion apparatus |
| 3,674X | Mar. 13, 1823 | J. Miller | Fire proof furnace for distilleries | industrial furnaces |
| 3,675X | Mar. 21, 1823 | N. Goodsell | Machine for thrashing grain and cutting straw | hay or straw cutters |
| 3,676X | Mar. 24, 1823 | R. Hugunin | Canal steam boat | steamboats |
| 3,677X | Mar. 24, 1823 | I. Babcock | Grain cradle | grain cradles |
| 3,678X | Mar. 31, 1823 | N. Reed | Spiral sprng door locks | household tools |
