| Patents Granted on 1814-04-__ |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| GB-181,403,798 | Apr. 01, 1814 | J.C. Dyer | Improvements in machinery for manufacturing nails | nail making machines |
| GB-181,403,799 | Apr. 01, 1814 | J.U. Rastrick | Steam Engine | steam engines |
| 2,095X | Apr. 02, 1814 | S.B. Browne | Mode of putting leather together by wooden or metal pegs | |
| 2,096X | Apr. 02, 1814 | M. Howe | Auger | auger bits |
| 2,097X | Apr. 02, 1814 | E.A. Lester | Vibrating nail cutting machine | nail making machines |
| 2,098X | Apr. 02, 1814 | J.L. Sullivan | Steam tow boat and warping windlass | boats and ships |
| 2,099X | Apr. 07, 1814 | J. Davey | Heading cut nails | nail making machines |
| 2,100X | Apr. 08, 1814 | S. Belknap | Cutting brads, nails, and spikes of all sizes | nail making machines |
| 2,101X | Apr. 08, 1814 | T. Hord | Manufacturing salt | |
| 2,102X | Apr. 09, 1814 | E. Talmage | Stills | |
| 2,103X | Apr. 12, 1814 | J. Blocher | Machine for planting corn | |
| 2,104X | Apr. 13, 1814 | J.M. Dupuy | Water engine | |
| 2,105X | Apr. 14, 1814 | E. Ford | Torpedo | |
| 2,106X | Apr. 18, 1814 | A. Todd | Making lead pipes for conveying water | pipes |
| 2,107X | Apr. 18, 1814 | P. Breasted | Grinding paints | paint grinding mills |
