Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198316 | Optical structures providing dichroic effects | Roger W. Phillips, Christopher Chapman Rich | 2021-12-14 |
| 11113919 | Optical switch devices | Christopher Chapman Rich, Roger W. Phillips, John Michael Tamkin | 2021-09-07 |