Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118538 | Electrically conductive polymers and their use as orienting layer in liquid-crystal switching and display elements | Claus Escher, Hans-Rolf Dubal, Michael Feldhues, Takamasa Harada, Gerhard Illian +3 more | 1992-06-02 |