Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393114 | Switching equipment for setting up a connection between at least two telephone subscribers | Elisabeth Gasthaus | 2002-05-21 |
| 4790005 | Circuit arrangement for telecommunications switching systems, particularly telephone switching systems with information processing switching device and processing load limiting | Joerg Oehlerich | 1988-12-06 |