Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144242 | Method for checking a value document, value document, use thereof, and value document system | Thomas Giering, Wolfgang Rauscher, Stephan Steinlein | 2018-12-04 |
| 10040995 | Alkali metal and alkaline earth metal niobates and tantalates as security feature substances | Stephan Steinlein, Kai Uwe Stock | 2018-08-07 |
| 10013835 | Security feature and use thereof, value document and process for verifying the authenticity thereof | Martin Stark | 2018-07-03 |
| 9908360 | Security feature and method for producing a security feature | Stephan Steinlein | 2018-03-06 |