Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11625732 | Method for authenticating an object, particularly a security element, and a security element | Uwe Frieser, Michael Grau, Walter Kurz | 2023-04-11 |
| 10019626 | Method for authenticating a security element, and optically variable security element | Andreas Schilling, Uwe Frieser, Wayne Robert Tompkin, Jurgen Metzger, Ralf Wondratschek +1 more | 2018-07-10 |