Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923652 | Method for tying additional function modules into a controlling facility of a switching system, and a switching system | Detlef Daase, Irina Muller | 1999-07-13 |
| 5822422 | Method and apparatus for controlling an exchange | Detlef Daase, Bernd Stahl | 1998-10-13 |
| 5761199 | Method of controlling an exchange, its control facilities, program modules, and switching system | Freidrich Kiel | 1998-06-02 |