Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099123 | Production of photopolymerized polyester high index ophthalmic lenses | Thomas J. Engardio | 2000-08-08 |
| 5886764 | Polyester resin-based high index ophthalmic lenses having improved optical uniformity and/or tintability | Thomas J. Engardio, Dae Ki Kang, Jean S. Lee | 1999-03-23 |
| 5852112 | Polyester resin-based high index ophthalmic lenses having improved optical unformity and/or tintability | Thomas J. Engardio, Dae Ki Kang | 1998-12-22 |
| 5694195 | Polyester resin-based high index ophthalmic lenses having improved optical uniformity and/or tintability | Thomas J. Engardio, Dae Ki Kang, Jean S. Lee | 1997-12-02 |
| 4713431 | High molecular weight DADMAC polymers by inverse emulsion technology | Bhupati R. Bhattacharyya | 1987-12-15 |