Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482373 | Process for treating ore having recoverable metal values including arsenic containing components | Anthony L. Hannaford, K. Marc Le Vier, Rene R. Fernandez, Gopalan Ramadorai, Arno Fitting +3 more | 2002-11-19 |
| 6248301 | Process for treating ore having recoverable metal values including arsenic containing components | Anthony L. Hannaford, K. Marc Le Vier, Rene R. Fernandez, Gopalan Ramadorai, Arno Fitting +3 more | 2001-06-19 |
| 5425799 | Process for roasting refractory gold ores | Walter Koch | 1995-06-20 |