| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1830-12-17 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 6,291X | Dec. 17, 1830 | A. Bacon | Suspender springs and cords | ||
| 6,292X | Dec. 17, 1830 | J.C. Douglass | Steam engine boilers | stationary boilers | |
| 6,293X | Dec. 17, 1830 | H.H. Grover | Compound lever and self weighing scale | ||
| 6,294X | Dec. 17, 1830 | W. Hoyt | Corn shelling machine | corn shellers | |