Issued Patents All Time
Showing 25 most recent of 130 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 |
| 11861966 | Optical switch devices | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2024-01-02 |
| 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 |
| 11221448 | Animated optical security feature | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2022-01-11 |
| 11198316 | Optical structures providing dichroic effects | Christopher Chapman Rich, Joel Mikael Petersen | 2021-12-14 |
| 11113919 | Optical switch devices | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2021-09-07 |
| 11092868 | Photonic-powered EC devices | Stephen Clark Brown | 2021-08-17 |
| 10850550 | Optical switch devices | Christopher Chapman Rich, Joel Mikael Petersen, John Michael Tamkin | 2020-12-01 |
| 10838218 | Optical structures providing dichroic effects | Christopher Chapman Rich, Joel Mikael Petersen | 2020-11-17 |
| 10288971 | Photonic-powered EC devices | Stephen Clark Brown | 2019-05-14 |
| 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, Phillip Christopher Harvey | 2019-04-09 |
| 10242788 | Anisotropic magnetic flakes | Vladimir P. Raksha, Charles T. Markantes, Paul G. Coombs, Paul T. Kohlmann, Alberto Argoitia +1 more | 2019-03-26 |
| 10173455 | Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures | Vladimir P. Raksha, Paul G. Coombs, Charles T. Markantes, Alberto Argoitia | 2019-01-08 |
| 9662925 | Anisotropic magnetic flakes | Vladimir P. Raksha, Charles T. Markantes, Paul G. Coombs, Paul T. Kohlmann, Alberto Argoitia +1 more | 2017-05-30 |
| 9257059 | Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures | Vladimir P. Raksha, Paul G. Coombs, Charles T. Markantes, Alberto Argoitia | 2016-02-09 |