Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580090 | Organic light-emitting devices | Siegfried Johannes Barth, Tilman Beierlein, Siegfried F. Karg, Heike E. Riel | 2003-06-17 |
| 6552364 | Organic light emitting devices | Armin Beck, Tilman Beierlein, Peter Mueller, Heike E. Riel | 2003-04-22 |
| 6548961 | Organic light emitting devices | Siegfried Johannes Barth, Tilman Beierlein, Siegfried F. Karg, Heike E. Riel | 2003-04-15 |