| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 241/60 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 25,933 | Oct. 25, 1859 | W.H. Howland | Amalgamator | ore processing apparatus | |
| AI282 | Jun. 12, 1860 | J.C. Dickey | Obtaining gold from quartz rock and earth | ||
| 230,611 | Aug. 03, 1880 | J.C. Butterfield | Stamp-mill | ore processing apparatus | |
| 648,960 | May 08, 1900 | F.A. Huntington | Roller crushing-mill | ore processing apparatus | |
| 829,702 | Aug. 28, 1906 | W.W. Edwards | Stamp-mill | ||