Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696847 | Insulating and impervious roofing panels | Stephane Cousin | 1987-09-29 |
| 4695338 | Insulating and impervious roofing panels and a process and apparatus for their manufacture | Stephane Cousin | 1987-09-22 |