| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Roswell King | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,155X | Nov. 21, 1809 | R. King | Machine for cleaning rice | rice cleaners | |
| 6,138X | Oct. 01, 1830 | R. King | Separating Gold by a Vibrating Circular Cylindrical Trough | ore processing apparatus | |
| 6,139X | Oct. 01, 1830 | R. King | Vertical cylindrical gold washer | ore processing apparatus | |