Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304991 | Photochromic article | Joseph D. Turpen, Elizabeth A. Zezinka, Emily Amond, Anu Chopra, Beon-Kyu Kim +6 more | 2025-05-20 |
| 12097521 | Apparatus and method for precision coating of ophthalmic lenses with photochromic coatings | Elizabeth A. Zezinka, Cathy A. Taylor, Brian Smyth, Anil Kumar, David John Park +1 more | 2024-09-24 |
| 11795331 | Curable photochromic compositions | Linda K. Anderson, Anthony Thomas Gestrich, David B. Knowles, Stephen G. Robinson, Feng Wang +1 more | 2023-10-24 |
| 11525027 | Curable photochromic composition including a segmented polymer | Stephen G. Robinson, Anthony Thomas Gestrich, David B. Knowles, Cathy A. Taylor, Elizabeth A. Zezinka | 2022-12-13 |
| 10954397 | Curable photochromic compositions | Anthony Thomas Gestrich, Dave Knowles, Stephen G. Robinson, Feng Wang, Elizabeth A. Zezinka +1 more | 2021-03-23 |