Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764411 | Process for the production of coverings exhibiting a cracked appearance and the product obtained therefrom | Jean-Francois Courtoy, Daniel Marchal, Albert Roussel | 1988-08-16 |
| 4675216 | Process and apparatus for producing synthetic decorative covering | Albert Roussel | 1987-06-23 |