Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285912 | Recovery of bismuth from chloride process solutions | Charles M. Flynn, Jr., Thomas G. Carnahan | 1981-08-25 |
| 4256705 | Leaching agglomerated gold - silver ores | Harold J. Heinen, Gene E. McClelland | 1981-03-17 |
| 4256706 | Leaching agglomerated gold - silver ores | Harold J. Heinen, Gene E. McClelland | 1981-03-17 |
| 4256707 | Selective removal of mercury from cyanide solutions | Charles M. Flynn, Jr., Thomas G. Carnahan | 1981-03-17 |
| 4208378 | Desorption of gold from activated carbon | Harold J. Heinen, David G. Peterson | 1980-06-17 |