Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936016 | Photochromic compounds and methods for their use | Vladimir Lokshin, Andre Samat, Robert Guglielmetti, Elena Zaballos Garcia | 1999-08-10 |
| 5529725 | Spirooxazines and use thereof in the field of ophthalmic optics | Robert Guglielmetti, Andre Samat | 1996-06-25 |