Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833849 | Security ink based security feature | Cornelis Jan Delst | 2023-12-05 |
| 11802210 | Hybrid colored metallic pigment | Joe Garcia, Paul T. Kohlmann, Alberto Argoitia, Carole Thoraval, Robert Oberti | 2023-10-31 |
| 11787956 | Magnetic multilayer pigment flake and coating composition | Paul T. Kohlmann, Cornelis Jan Delst, Paul G. Coombs | 2023-10-17 |
| 11554603 | Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array | Cornelis Jan Delst, Paul G. Coombs, Robert B. Sargent, Michael Ray Nofi | 2023-01-17 |