Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863844 | Photochromic matrix compositions for use in ophthalmic lenses | Thomas J. Engardio | 2005-03-08 |
| 6863848 | Methods for preparing composite photochromic ophthalmic lenses | Thomas J. Engardio, Jimmie E Adcock | 2005-03-08 |