Issued Patents All Time
Showing 1–3 of 3 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 |
| 6255966 | Method of remotely programming a cellphone via a network | Gerd Siegmund | 2001-07-03 |
| 6181789 | Telecommunication system and processor means, and method | Gerd Siegmund | 2001-01-30 |