Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364453 | Method for recovering gold and other precious metals from carbonaceous ores | — | 1994-11-15 |
| 5338338 | Method for recovering gold and other precious metals from carbonaceous ores | — | 1994-08-16 |
| 5290526 | Processes to recover and reconcentrate gold from its ores | Dennis G. Kleid, Francis R. Thibodeau | 1994-03-01 |