| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1825-10-31 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,230X | Oct. 31, 1825 | J. Duff | Kilns for bricks and tiles | kilns | |
| 4,231X | Oct. 31, 1825 | E.C. Genet | Hydrostatic and aerostatic machinery | ||