Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840672 | Lightweight insulating boards and process for manufacturing same | — | 1989-06-20 |
| 4249991 | Composition of a material based on mineral fibers | Jean-Pierre Navez, Marc Della Faille de Leverghem | 1981-02-10 |