Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840112 | Optical structures providing dichroic effects | Roger W. Phillips, Joel Mikael Petersen | 2023-12-12 |
| 11675203 | Optical structures providing dichroic effects | Roger W. Phillips, Joel Mikael Petersen | 2023-06-13 |
| 11618275 | Optical switch devices | Joel Mikael Petersen, Roger W. Phillips, John Michael Tamkin | 2023-04-04 |
| 11590790 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Joel Mikael Petersen, John Michael Tamkin, Roger W. Phillips, Phillip Christopher Harvey | 2023-02-28 |