Issued Patents All Time
Showing 1–3 of 3 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, Glen Todd Owens | 2019-05-07 |
| 7452611 | Photochromic optical article | William P. Blackburn, Michael B. Levesque, Kevin W. Seybert, Jeanine A. Conklin | 2008-11-18 |
| 6187444 | Photochromic polyurethane coating and articles having such a coating | Robert J. Bowles, III, Shanti Swarup, Jeanine A. Conklin, Robert W. Walters, Robin Hunt | 2001-02-13 |