Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840112 | Optical structures providing dichroic effects | Christopher Chapman Rich, Joel Mikael Petersen | 2023-12-12 |
| 11768321 | Optically variable security devices | Thomas Mayer, Scott Lamar, Elena Taguer | 2023-09-26 |
| 11733579 | Photonic-powered EC devices | Stephen Clark Brown | 2023-08-22 |
| 11675203 | Optical structures providing dichroic effects | Christopher Chapman Rich, Joel Mikael Petersen | 2023-06-13 |
| 11618275 | Optical switch devices | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2023-04-04 |
| 11590790 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin, Phillip Christopher Harvey | 2023-02-28 |