Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374492 | Purple membrane preparations having increased holographic diffraction efficiency | Norbert Hampp, Andreas Popp, Alfred Miller, Dieter Oesterhelt | 1994-12-20 |
| 5301045 | Helical liquid crystalline element which produces linear polarized light | Alfred Miller, Franz-Heinrich Kreuzer, Horst Leigeber, Andreas Petri | 1994-04-05 |