| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1825-04-14 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,085X | Apr. 14, 1825 | J. Thomas | Naval architecture | ||
| 4,086X | Apr. 14, 1825 | H. Dotterer | Bellows for furnaces, etc. | blacksmith | |
| 4,087X | Apr. 14, 1825 | O. Evans, C. Evans | Self-sharpening plough | plows | |