Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10884523 | Film and method for producing a film | Matthias Heinrich, Andreas Hirschfelder, Martin Hahn | 2021-01-05 |
| 9465261 | Display device | Rainer Stahl, Klaus Ludwig, Wayne Robert Tompkin | 2016-10-11 |
| 8896501 | Security element for the identification of a security document using liquid crystal display driven with piezoelectric energy source and method for producing it | Rainer Stahl, Gerrit Hackl, Steffen Weiss, Klaus Ludwig | 2014-11-25 |
| 8604907 | Multilayer flexible film body | Klaus Ludwig, Wolfgang Clemens | 2013-12-10 |