Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359439 | Optical elements based on liquid-crystalline substances with no birefringence in a non-perpendicular direction and a process for their preparation | Alfred Miller, Franz-Heinrich Kreuzer | 1994-10-25 |
| 5301045 | Helical liquid crystalline element which produces linear polarized light | Alfred Miller, Franz-Heinrich Kreuzer, Christoph Brauchle, Andreas Petri | 1994-04-05 |