Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7050213 | Method and device for attenuating light as a function of intensity | Wolfgang Dultz, Leonid A. Beresnev | 2006-05-23 |
| 6331910 | Arrangement and method for electrically controlling the intensity of unpolarized light | Wolfgang Dultz, Leonid A. Beresnev, Wolfgang Haase | 2001-12-18 |