| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for J. Thompson Jr. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 6,213X | Nov. 01, 1830 | V. DeRivafinoli, C. Harsleben, W. Davis | Machine for washing gold ores and alluvial soils | ore processing apparatus | |