Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7344489 | Sludge treatment method | Guy Depelsenaire, Ange Nzihou | 2008-03-18 |
| 6962562 | Sludge inerting method | Guy Depelsenaire | 2005-11-08 |
| 6132355 | Ash inerting method | — | 2000-10-17 |