Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776450 | Method for checking a value document, value document, use thereof, and value document system | Johann Kecht, Wolfgang Rauscher, Stephan Steinlein | 2017-10-03 |
| 9540771 | Security feature having several components | Johann Kecht, Stephan Steinlein | 2017-01-10 |