Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343260 | Composite ophthalmic lenses and their manufacture | Andre Jean Vachet, Jacques Jean Vial | 1994-08-30 |
| 5323191 | Composite ophthalmic lenses | Eric Firtion, Jean-Jacques Bernard Theron, Andre Jean Vachet, Jacques Jean Vial | 1994-06-21 |