Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562587 | Treatment method for urban waste incineration residues and products thus obtained | Beno it Kessler, Jean-Pierre Letourneux, Michel Testud | 1996-10-08 |
| 5416252 | Waste incineration residues and the products obtained | François Sorrentino, Michel Rollet, Benoit Kessler, Bernard Jesus | 1995-05-16 |