Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111327 | Cast-molding process for producing UV-absorbing contact lenses | Troy Vernon Holland, Frank Chang | 2021-09-07 |
| 10906258 | Cast-molding process for producing contact lenses | Troy Vernon Holland, Frank Chang | 2021-02-02 |