Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274367 | Device for in-service monitoring of communication transmission equipment | Karl Herrmann, Ferdinand Narjes, Guenter Weimert | 1993-12-28 |
| 5262771 | Method for addressing processor units | Karl Herrmann, Wilfried Hecht, Ferdinand Narjes, Guenter Weimert | 1993-11-16 |
| 5166673 | Method for controlling and/or monitoring a communication transmission equipment for transmission errors for the implementation of the method | Karl Herrmann, Ferdinand Narjes, Guenter Weimert | 1992-11-24 |
| 4336610 | Method and an arrangement for address-free fault location by loop closure in message transmission links | — | 1982-06-22 |