Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502869 | Optical element with a porous low refractive index layer having a protection layer | William D. Coggio, Ramesh C. Kumar, John A. Wheatley, William F. Edmonds, Lan H. Liu +3 more | 2019-12-10 |
| 10353214 | Optical stacks for sparkle reduction | Brett J. Sitter, Marc D. Radcliffe, Thomas R. Hoffend, Daniel W. Hennen, Lan H. Liu +3 more | 2019-07-16 |