Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837077 | Hydroexpansible composite material, the preparation thereof and a composition for its implementation as well as the uses thereof | Denis Bergaentzle | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837077 | Hydroexpansible composite material, the preparation thereof and a composition for its implementation as well as the uses thereof | Denis Bergaentzle | 1989-06-06 |