Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711721 | Waste water sludge thickener with odor control | Bernard Jamonet, Jean-Pierre Bouchez, Jean-Luc Duc | 1987-12-08 |
| 4534864 | Process and device for the regeneration of a group of solid particles having a coating of a biological material | — | 1985-08-13 |