Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869696 | Organic red electro-luminescent device including a heterocyclic emitter | Dietmar Keil, Gerhard Diener | 2005-03-22 |
| 6851659 | Valve seating system | Ulrich Zutt, Thomas Schuster, Marcus Forche, Christoph Voss, Frank Holl | 2005-02-08 |
| 6844089 | Organic red electro-luminescent device and dopant | Dietmar Keil, Gerhard Diener | 2005-01-18 |