Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9690021 | Photochromic optical article having allophanate protective coating and process for making same | Joseph D. Turpen, Cynthia Kutchko, Glen Todd Owens, Vitawat Lahsangah | 2017-06-27 |
| D780821 | Lens holder | Willard Beamer | 2017-03-07 |