Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8343391 | Compositions for the preparation of composite photochromic polycarbonate lenses | Thomas J. Engardio | 2013-01-01 |
| 7892459 | Compositions for the preparation of composite photochromic polycarbonate lenses | Thomas J. Engardio | 2011-02-22 |
| 7488510 | Compositions and methods for the preparation of composite photochromic polycarbonate lenses | Thomas J. Engardio | 2009-02-10 |
| 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 |