Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10642214 | Optical security device based on a surface of revolution | Vladimir P. Raksha | 2020-05-05 |
| 10618340 | Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array | Vladmir P. Raksha, Paul G. Coombs, Robert B. Sargent, Michael Ray Nofi | 2020-04-14 |
| 10597538 | Pigment composition and pigment flake | Alberto Argoitia | 2020-03-24 |