Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643465 | Method for checking a ring optical network line for data transmission between a plurality of network subscribers in a motor vehicle | Jens Brandes, Dieter Marquardt, Peter Merget, Franz-Josef Petry, Heinz Schwarz +1 more | 2003-11-04 |