Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334300 | Stigmatic optical device and an optical recording head equipped with said device | Louis Arquie, Claude Bricot, Jean-Claude Lehureau, Michel Thirouard, Dominique Leterme | 1982-06-08 |