Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827802 | Security element, value document comprising such a security element, and method for producing such a security element | Michael Rahm, Andreas Rauch, Wittich Kaule | 2017-11-28 |
| 9789726 | Optically variable areal pattern | — | 2017-10-17 |
| 9734735 | Optically variable surface pattern | Andreas Rauch, Winfried Hoffmuller | 2017-08-15 |
| D780463 | Sheet document with security element | Stefan Bichlmeier, Kathrin Hovestadt, Andreas Rauch, Doris J. Walter | 2017-03-07 |