Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501477 | Photochromic thienochromene compounds | Jun Deng, Brian R. Stepp, Eric Spitler, Wenjing Xiao, Robert W. Walters | 2019-12-10 |
| 10423061 | Multilayer photochromic articles | Cory S. Brown, Elizabeth A. Zezinka | 2019-09-24 |