Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D769000 | Sheet document with security element | Stefan Bichlmeier, Kathrin Hovestadt, Andreas Rauch, Doris J. Walter | 2016-10-18 |
| D769001 | Sheet document with security element | Stefan Bichlmeier, Kathrin Hovestadt, Andreas Rauch, Doris J. Walter | 2016-10-18 |
| 9297941 | Optically variable element, in particular security element | — | 2016-03-29 |
| 9274258 | Thin-layer element having an interference layer structure | Michael Rahm, Manfred Heim, Ralf Liebler | 2016-03-01 |