Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10610472 | High energy visible light filter systems with yellowness index values | Andrew W. Ishak, Ronald D. Blum, Michael B. Packard | 2020-04-07 |
| 10551637 | High performance selective light wavelength filtering providing improved contrast sensitivity | Andrew W. Ishak, Ronald D. Blum, Michael B. Packard | 2020-02-04 |