Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693095 | High refractive index ophthalmic lens materials | Charles Freeman, Mutlu Karakelle, Albert R. LeBoeuf | 1997-12-02 |
| 5662707 | Polymerizable yellow dyes and their use in ophthalmic lenses | — | 1997-09-02 |