Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131815 | Silicone hydrogel lenses with water-rich surfaces | John Dallas Pruitt, Sibichen J. Thekveli, Robert Carey Tucker, Jared Nelson | 2018-11-20 |
| 10100219 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, John Dallas Pruitt, Chung-Yuan Chiang, Venkat Shankar +2 more | 2018-10-16 |
| 9950483 | Method for determining the surface concentration of carboxyl groups on a lens | Xinming Qian, Frank Chang, Troy Vernon Holland, Venkat Shankar | 2018-04-24 |