Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304991 | Photochromic article | Elizabeth A. Zezinka, Emily Amond, Anu Chopra, Michael Frank Haley, Beon-Kyu Kim +6 more | 2025-05-20 |
| 11084236 | Method for preparing an optical element which colors in a non-uniform linear pattern | Jennine M. Frease, William D. Carpenter, Kevin J. Stewart | 2021-08-10 |
| 10371866 | Optical element having a coating for enhanced visibility of a mark and method for making the optical element | Jennine M. Frease, William D. Carpenter, Kevin J. Stewart | 2019-08-06 |
| 10281628 | Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coating | Jerry L. Koenig, II, Glen Todd Owens, Nancyanne Gruchacz | 2019-05-07 |
| 9690021 | Photochromic optical article having allophanate protective coating and process for making same | Cynthia Kutchko, Glen Todd Owens, Vitawat Lahsangah, Jerry L. Koenig, II | 2017-06-27 |