Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397576 | 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 | 2025-08-26 |
| 12360391 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Christopher Chapman Rich, Joel Mikael Petersen | 2025-07-15 |
| 12269288 | Optical switch devices | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2025-04-08 |
| 12253691 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2025-03-18 |
| 12223794 | Optical switch devices | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2025-02-11 |
| 12204120 | Optically variable security devices | Thomas Mayer, Scott Lamar, Elena Taguer | 2025-01-21 |