| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1800-03-?? | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 279X | Mar. 03, 1800 | J. Percy | Improvement in dying blue | dyeing materials | |
| 280X | Mar. 15, 1800 | W. Harris | Lathe or loom for weaving | looms | |