Issued Patents All Time
Showing 1–25 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359072 | Pigment including an intermetallic compound | Cornelis Jan Delst, Paul T. Kohlmann | 2025-07-15 |
| 12350950 | Article with angled reflective segments | Cornelis Jan Delst | 2025-07-08 |
| 12344024 | Optical security element | Cornelis Jan Delst | 2025-07-01 |
| 12311691 | Orienting magnetically-orientable flakes | Cornelis Jan Delst | 2025-05-27 |
| 12275260 | Security device formed by printing with special effect inks | Paul G. Coombs, Charles T. Markantes | 2025-04-15 |
| 12275267 | Security pigment and optical security element | Paul T. Kohlmann, Cornelis Jan Delst | 2025-04-15 |
| 12152152 | Security pigment | Cornelis Jan Delst | 2024-11-26 |
| 12138655 | System and method for forming an image on a substrate | Curtis R. Hruska, Neil Teitelbaum | 2024-11-12 |
| 12083813 | Printing machine and fixed patterned plate | Cornelis Jan Delst, Alberto Argoitia, Paul T. Kohlmann | 2024-09-10 |
| 12064987 | Optical device with magnetic flakes and structured substrate | Cornelis Jan Delst, Paul G. Coombs | 2024-08-20 |
| 12045001 | Optical security device based on a surface of revolution | Cornelis Jan Delst | 2024-07-23 |
| 11945255 | Optical security element | Cornelis Jan Delst | 2024-04-02 |
| 11891524 | Pigments having a vapor deposited colorant | Alberto Argoitia, Larry Meredith, Carole Thoraval | 2024-02-06 |
| 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 |
| 11504990 | Security device formed by printing with special effect inks | Paul G. Coombs, Charles T. Markantes | 2022-11-22 |
| 11441041 | Magnetic multilayer pigment flake and coating composition | Paul T. Kohlmann, Cornelis Jan Delst, Paul G. Coombs | 2022-09-13 |
| 11241901 | Security ink based security feature | Cornelius Jan Delst | 2022-02-08 |
| 11230127 | Method and apparatus for orienting magnetic flakes | Paul G. Coombs, Charles T. Markantes | 2022-01-25 |
| 11198315 | Article with curved patterns formed of aligned pigment flakes | John Hynes, Laurence Holden, Paul G. Coombs | 2021-12-14 |
| 11193002 | Orienting magnetically-orientable flakes | Cornelis Jan Delst | 2021-12-07 |
| 11186110 | Article with angled reflective segments | Cornelis Jan Delst | 2021-11-30 |
| 11150595 | Optical security device based on a surface of revolution | Cornelis Jan Delst | 2021-10-19 |