Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490465 | Exhaust system for a drive unit formed by a transmission and an engine | Harald Mann, Markus Menzel | 2009-02-17 |
| 5274367 | Device for in-service monitoring of communication transmission equipment | Karl Herrmann, Ferdinand Narjes, Erhard Steiner | 1993-12-28 |
| 5265095 | Method for inputting signals into and outputting signals out from subareas of the auxiliary signals of transport modules of a synchronous digital signal hierarchy | Udo Fiedler, Walter Lechler, Gerhard Musil, Wilhelm Volejnik | 1993-11-23 |
| 5262771 | Method for addressing processor units | Karl Herrmann, Wilfried Hecht, Erhard Steiner, Ferdinand Narjes | 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, Erhard Steiner | 1992-11-24 |
| 4858222 | Circuit arrangement for serial data transmission | Ferdinand Narjes | 1989-08-15 |