Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589428 | Waste water treatment using activated sludge process | Philippe Caulet, Jean-Pierre Philippe, Patrice Chatellier | 2003-07-08 |
| 6527956 | Method for regulating aeration during waste water biological treatment | Fanny Lefevre, Philippe Caulet, Jean-Pierre Philippe | 2003-03-04 |