Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9697456 | Optically variable security element | Michael Rahm, Josef Schinabeck, Winfried Hoffmuller | 2017-07-04 |
| 9683972 | Method and device for examining a sheet-shaped or card-shaped valuable document having a security feature having one or more cavities | Jan Domke, Stefan Kokrhoun, Patrick Renner | 2017-06-20 |