Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830806 | Method and device for the manufacture of a high optical quality transparent sheet or plastic | Gerard Daude, Jean-Louis Bravet, Michel Moncheaux, Sylvie Drujon | 1989-05-16 |