Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10281628 | Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coating | Jerry L. Koenig, II, Joseph D. Turpen, Nancyanne Gruchacz | 2019-05-07 |