Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833849 | Security ink based security feature | Vladimir P. Raksha | 2023-12-05 |
| 11787956 | Magnetic multilayer pigment flake and coating composition | Vladimir P. Raksha, Paul T. Kohlmann, Paul G. Coombs | 2023-10-17 |
| 11680175 | Composition including a color shifting pigment and a color filter | Paul T. Kohlmann | 2023-06-20 |
| 11554603 | Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array | Vladimir P. Raksha, Paul G. Coombs, Robert B. Sargent, Michael Ray Nofi | 2023-01-17 |