Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808763 | Liquid-crystalline medium | Harald Hirschmann, Sven Schupfer, Renate Graulich | 2004-10-26 |
| 6730372 | Liquid-crystalline medium | Harald Hirschmann, Dagmar Zimmermann, Ursula Patwal, Antje Mühlfeld, Sabine Schoen | 2004-05-04 |