Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514487 | Light guides | Tao Liu, Brian W. Ostlie, Brent A. Hedding, Bradley J. Johanson | 2019-12-24 |
| 10509157 | Lightguides with pixelated image | Tao Liu, Brent A. Hedding, Brian W. Ostlie, David A. Ender | 2019-12-17 |