Issued Patents 2020
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837622 | Collimating step-wedge light guide | Kenneth A. Epstein | 2020-11-17 |
| 10801699 | Optical device switchable diffuser | Guanglei Du | 2020-10-13 |
| 10769402 | Non-contact friction ridge capture device | David J. Badzinski, Robert L. Brott, Alexander Domek, Douglas Scott Dunn, Jonathan D. Grandrud +9 more | 2020-09-08 |
| 10732344 | Collimating light guide | Kenneth A. Epstein, Tao Liu | 2020-08-04 |
| 10649274 | Optical construction and display system incorporating same | Encai Hao, Fei Lu, William Blake Kolb, Brian W. Ostlie, Adam D. Haag +10 more | 2020-05-12 |
| 10598349 | Lighting component including switchable diffuser | Guanglei Du, Robert L. Brott | 2020-03-24 |
| 10551524 | Batch authentication of materials for automated anti counterfeiting | Anthony J. Sabelli, Jennifer F. Shumacher, Yanina Shkel, Brian J. Stankiewicz, Glenn E. Casner +2 more | 2020-02-04 |
| 10539722 | Optical film | Encai Hao, William Blake Kolb, Brant U. Kolb, Brian W. Ostlie, Naiyong Jing +7 more | 2020-01-21 |