Issued Patents All Time
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, Roger W. Phillips | 2025-08-26 |
| 12078821 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Christopher Chapman Rich, Joel Mikael Petersen | 2024-09-03 |
| 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, Roger W. Phillips | 2023-02-28 |
| 10859851 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Christopher Chapman Rich, Joel Mikael Petersen | 2020-12-08 |
| 10252563 | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin, Roger W. Phillips | 2019-04-09 |
| 9851070 | Systems and methods to impart visual quality to illumination systems | Christopher Chapman Rich, Eric W. Teather, Joel Mikael Petersen | 2017-12-26 |