Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7502375 | Modular and scalable switch and method for the distribution of fast ethernet data frames | Hans-Walter Hahn, Peter Wahl, Robert Wolf | 2009-03-10 |
| 5778073 | Method and device for speech encryption and decryption in voice transmission | Erhard Schlenker, Gunter Spahlinger | 1998-07-07 |