| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1801-10-10 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 344X | Oct. 10, 1801 | R. Robotham | Air Pump Ventilator for Ships, Mines, Etc. | air pumps | |
| 345X | Oct. 10, 1801 | R. Robotham | Machine for Ruling Paper, etc. | ruling machines | |