Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9658595 | Security document and/or document of value containing a visually changeable window with a hologram | Georgios Tziovaras, Heinz Pudleiner, Stefan Janke, Marc-Stephan Weiser, Thomas Fäcke | 2017-05-23 |