| Patents Granted on 1812-08-?? |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 1,785X | Aug. 03, 1812 | F. Rotch | Constructing boats and vessels | boats and ships |
| GB-181,203,590 | Aug. 03, 1812 | H. Osborn | Closing skelps preparatory to making gun-barrels | gunsmith |
| 1,786X | Aug. 06, 1812 | B. Lies | Cog and pendulum pump | pumps |
| 1,787X | Aug. 06, 1812 | I. Hathaway | Fire engines | fire engines |
| 1,788X | Aug. 06, 1812 | J. Perkins, A. Pollock | Fire engines | fire engines |
| 1,789X | Aug. 08, 1812 | J. Brown | Roping and spinning cotton and wool | spinner |
| 1,790X | Aug. 21, 1812 | A. Anderson | Propelling boats and vessels, etc. | nautical propulsion apparatus |
| 1,791X | Aug. 21, 1812 | A. Anderson | Steam engine | steam engines |
| 1,792X | Aug. 21, 1812 | J. Truman | Steam washer | washing machines |
| 1,793X | Aug. 21, 1812 | J. Palmer | Washing machine | washing machines |
| 1,794X | Aug. 21, 1812 | R. Maiben | Apparatus for making oil of vitriol | |
| 1,795X | Aug. 25, 1812 | M.B. Parmelee | Steam machine to keep a wheel in motion | |
| 1,796X | Aug. 27, 1812 | J. Phelps | Looms | looms |
| 1,797X | Aug. 27, 1812 | H. Dunlap | Bodies of carriages | |
| 1,798X | Aug. 28, 1812 | E. Twombly | Iron bound boots, bootees, etc. | |
