| Patents Granted on 1831-09-?? |
Patents 1 -
15
of 40
      |
| Number | Date | Patentee | Title | Type |
| 6,742X | Sep. 01, 1831 | J.G. Colley | Marine railway | |
| 6,743X | Sep. 01, 1831 | J. Reed | Corn shelling machine | corn shellers |
| 6,744X | Sep. 02, 1831 | D. Marvin | Excavator | excavators |
| 6,745X | Sep. 02, 1831 | D. Marvin | Excavating scraper | |
| 6,746X | Sep. 03, 1831 | J. Pudney | Machine for cutting garments, called the American system | garments |
| 6,747X | Sep. 03, 1831 | W.P. Sample | Cotton cultivating machine | harrows |
| 6,748X | Sep. 05, 1831 | A. Barnes | Manufacturing coarse salt | |
| 6,749X | Sep. 05, 1831 | W. Graham | Excavating canals, ditches, etc. | excavators |
| 6,750X | Sep. 05, 1831 | W. Scattergood, J. Warrington | Pessary | |
| 6,751X | Sep. 07, 1831 | C. Goodyear | Steel spring fork | |
| 6,752X | Sep. 08, 1831 | W. Stone, Jr. | Hemp Machine | flax and hemp machines |
| 6,753X | Sep. 08, 1831 | W. Stone, Jr. | Manufacturing rope | |
| 6,754X | Sep. 09, 1831 | E. Britton | Beehive and Management of Bees | apiary apparatus |
| 6,755X | Sep. 09, 1831 | W. Gregory | Washing machine | washing machines |
| 6,756X | Sep. 12, 1831 | E. Clibborn | Furniture, house, ship, and camp | furniture |
