Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10466406 | Light guide plate and method for the production thereof | Herbert Groothues, Jann Schmidt, Wangelis Karampougioukis, Stephan Neumayer, Helmut Haering | 2019-11-05 |
| 6424406 | Optical diffuser plates | Michael Mueller, Volker Benz, Michael Meier-Kaiser, Hans Lorenz, Volker Mende +1 more | 2002-07-23 |