Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033838 | Gradient index, null geometrical power unifocal ophthalmic lens | Jean-Louis Mercier | 1991-07-23 |
| 5033839 | Method of minimizing the maximum thickness of a unifocal ophthalmic lens and gradient index unifocal ophthalmic lens obtained by application of this method | Jean-Louis Mercier | 1991-07-23 |