| Patents Granted on 1831-08-23 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 6,713X | Aug. 23, 1831 | D. Loring | Weighing machine | |
| 6,714X | Aug. 23, 1831 | J. Stimpson | Ascending and Descending Inclined Planes, Rivers, &c. | inclined planes |
| 6,715X | Aug. 23, 1831 | J. Stimpson | Rails or Plates for Railroad Carriage Wheels | track and switches |
| 6,716X | Aug. 23, 1831 | J. Stimpson | Opening and shutting switches upon railroads | track and switches |
| 6,717X | Aug. 23, 1831 | J. Stimpson | Turnabouts, used upon railroads and elsewhere | railroad turntables |
| 6,718X | Aug. 23, 1831 | J. Stimpson | Turning Short Curves Upon Railroads | track and switches |
| 6,719X | Aug. 23, 1831 | J. Stimpson | Wheels for Railroad Carriages | railroad car wheels |
| 6,720X | Aug. 23, 1831 | H. Weed, S. Fellows | Smut machine for mills | miller |
| 6,721X | Aug. 23, 1831 | D. Loring, U. West | Improvement on Dearborn's balance | |
