| Patents Granted on 1857-04-14 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| AI162 | Apr. 14, 1857 | D.N. Coffin, Jr. | Filter for liquids | |
| AI163 | Apr. 14, 1857 | W.H. Thompson, E.P. Morgan | Closing hatches and vertical doors | |
| RE448 | Apr. 14, 1857 | J. Bryant | Improved Carpenter's Gage | marking gauges |
| 17,017 | Apr. 14, 1857 | J. Bosenbury | Boring-machine | portable timber mortisers |
| 17,023 | Apr. 14, 1857 | T.A. Chandler | Pendulum Level or Inclinometer | inclinometers |
| 17,026 | Apr. 14, 1857 | J. Creager | Machine for sawing shingles | shingle machines |
| 17,038 | Apr. 14, 1857 | A. Hall | Expansive bit | adjustable drill bits |
| 17,061 | Apr. 14, 1857 | W.L. Williams | Machine for splitting wood | firewood machines |
