Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476103 | Photochromic organic material, its manufacture and the photochromic articles containing it | Bruno Baney | 2002-11-05 |
| 6399682 | Temperature stable and sunlight protected photochromic articles | Frederic Henri Florent, Andre Jean Vachet, Jacques Jean Vial | 2002-06-04 |