Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6842780 | Method of management in a circuit-switched communication network and device which can be used as a node in a circuit-switched communication network | Christian Frei, Beat Liver, Dean T. Allemang | 2005-01-11 |