Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486227 | Manufacture of a composite tubular product | Michel Douchy, Michel Jehan | 1984-12-04 |
| 4364770 | Manufacture of a composite tubular product | Michel Douchy, Michel Jehan | 1982-12-21 |