| Patents Granted on 1807-04-01 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 739X | Apr. 01, 1807 | T. Green | Mode of making salt | |
| 740X | Apr. 01, 1807 | L. Dupre | Pendulum screw | |
| 741X | Apr. 01, 1807 | C. Colver | Double forcing pumps | pumps |
| 742X | Apr. 01, 1807 | G. Youle | Cabouse stove for cooking | stoves |
| 743X | Apr. 01, 1807 | D. Peacock | Plough | plows |
| 744X | Apr. 01, 1807 | J. McIlvain | Machine for dressing shingles and staves | shingle machines |
| 745X | Apr. 01, 1807 | E. Bigelow | Machine for Cutting Nails | nail making machines |
| 746X | Apr. 01, 1807 | J.A. Pearce | Machine for propelling boats, & etc. by oars, & etc. | nautical propulsion apparatus |
