Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235767 | Circuit arrangement for controlling illuminating means | Thomas Gutbrod, Anton Ruettiger, Harald Brischke | 2007-06-26 |
| 7022961 | Optical indicator element | Haiko Glienicke | 2006-04-04 |