Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821593 | Reliefed card-shaped data carrier | Michael Ruhland-Bauer, Harald Reiner, Karlheinz Mayer | 2017-11-21 |
| 9669647 | Security element comprising a plurality of optically variable structures | Karlheinz Mayer, Peter Franz | 2017-06-06 |