Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409980 | Process and apparatus for treating foundry sludge to recover magnesium | Carl W. White, Denys Pinard, Serge Monette | 2002-06-25 |
| 5961691 | Recovery of lead and others metals from smelter flue dusts | Denys Pinard | 1999-10-05 |