Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11000976 | Method for producing an optical cast body having a holographic optical element, and optical cast body | Thomas Fäcke, Robert Maleika, Frank-Stefan Stern | 2021-05-11 |
| 10901368 | Method for integrating a hologram into a security document body and security document body | Michael Stasiak, Michael Knebel, Andre Leopold, Olga Kulikovska, Thomas Roelle +2 more | 2021-01-26 |