Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886764 | Polyester resin-based high index ophthalmic lenses having improved optical uniformity and/or tintability | Thomas J. Engardio, Philip D. Dalsin, Dae Ki Kang | 1999-03-23 |
| 5694195 | Polyester resin-based high index ophthalmic lenses having improved optical uniformity and/or tintability | Thomas J. Engardio, Philip D. Dalsin, Dae Ki Kang | 1997-12-02 |