Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148458 | Method for changing an edge of a portable card-shaped data carrier | Josef Riedl, Günter Endres, Thorsten Sauer | 2021-10-19 |
| 10926573 | Producing an optical security element | Günter Endres, Martin Imhof | 2021-02-23 |