| Patents Granted on 1823-04-?? |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 3,679X | Apr. 05, 1823 | W. Knapp | Extracting the tanin from the bark of trees | |
| 3,680X | Apr. 05, 1823 | I. Ives | Mode of manufacturing hair combs | household tools |
| 3,681X | Apr. 05, 1823 | J. Hawkins | Giving temperature to artificial mineral waters | |
| 3,682X | Apr. 05, 1823 | C. Jones | Mode of making stove pipes | stove pipes |
| 3,683X | Apr. 10, 1823 | S. Collins | Scraps and bars of iron converted into cast steel | steel maker |
| 3,684X | Apr. 12, 1823 | J. Finch | Percussion guns and pistols | gunsmith |
| 3,685X | Apr. 15, 1823 | W.E. Sheffield | Corn sheller | corn shellers |
| 3,686X | Apr. 15, 1823 | P. Reading | Thrashing machine | miller |
| 3,687X | Apr. 25, 1823 | A. Miner | Making pails | |
| 3,688X | Apr. 30, 1823 | J.R. Miller | Thrashing machine | miller |
