| Patents Granted on 1825-04-11 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 4,079X | Apr. 11, 1825 | J. Giles | Desmond's mode of obtaining the tanning principle from bark | bark processing machines |
| 4,080X | Apr. 11, 1825 | B. Mattby | Horse Power to All Kinds of Machinery | animal powered apparatus |
| 4,081X | Apr. 11, 1825 | W. Whitehead | Rolling or twisting cotton, flax and wool | flax and hemp machines |
| 4,082X | Apr. 11, 1825 | H. Haight, Jr., H. White | Machine for cutting bark and dye woods | bark processing machines |
| 4,083X | Apr. 11, 1825 | O. Batchelder, J.P. Houston | Machine for shaving leather | leatherworker |
| NX-182,707,131 | Apr. 11, 1825 | G. Bird | Paper Polishing | paper making machines |
