Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9814658 | High energy visible light filter systems with yellowness index values | Andrew W. Ishak, Ronald D. Blum, Michael B. Packard | 2017-11-14 |
| 9683102 | Photo-stable and thermally-stable dye compounds for selective blue light filtered optic | Dustin R. Cefalo, Jerry C. Bommer, Anita Trajkovska-Broach, Ronald D. Blum, Andrew W. Ishak | 2017-06-20 |