Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10343436 | Security device formed by printing with special effect inks | Vladimir P. Raksha, Paul G. Coombs | 2019-07-09 |
| 10242788 | Anisotropic magnetic flakes | Vladimir P. Raksha, Paul G. Coombs, Roger W. Phillips, 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, Alberto Argoitia, Roger W. Phillips | 2019-01-08 |