Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744871 | Method for routing service calls in a telecommunication network, as well as a telecommunication network, switching center and program module therefor | Wolfgang Lautenschlager, Hartmut Weik | 2004-06-01 |