Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594288 | Optical lenses having a scratch-resistant coating | Bernard Dobigny | 1986-06-10 |
| 4222747 | Polishing material for ophthalmic lenses | Jean-Claude Dauguet, Pierre Moreau | 1980-09-16 |