Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632695 | Method for producing an organic light emitting device (OLED) | — | 2003-10-14 |
| 6580090 | Organic light-emitting devices | Siegfried Johannes Barth, Siegfried F. Karg, Heike E. Riel, Walter Riess | 2003-06-17 |
| 6552364 | Organic light emitting devices | Armin Beck, Peter Mueller, Heike E. Riel, Walter Riess | 2003-04-22 |
| 6548961 | Organic light emitting devices | Siegfried Johannes Barth, Siegfried F. Karg, Heike E. Riel, Walter Riess | 2003-04-15 |