Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5401360 | Method for de-inking printed paper | — | 1995-03-28 |
| 4865690 | Process and plant for recycling waste printed papers | Emile Bernard, Yves Vernac, Charles Doublier | 1989-09-12 |