Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12001011 | Optical element and a method of visually authenticating an object | Yuliy Schwartzburg, Andrea Callegari | 2024-06-04 |
| 11298966 | Thin optical security element and method of designing it | Andrea Callegari, Pierre Degott, Todor Dinoev, Christophe Garnier, Alain Mayer +2 more | 2022-04-12 |
| 11292283 | Optical security element | Andrea Callegari, Pierre Degott, Todor Dinoev, Christophe Garnier, Alain Mayer +2 more | 2022-04-05 |
| 10732405 | Refractive surface | Mark Pauly, Yuliy Schwartzburg | 2020-08-04 |