Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905220 | Circuit for a central control time division multiplex PCM telecommunications system | Uwe Junge, Anthony Maher, Axel Leichum | 1990-02-27 |
| 4905222 | Circuit arrangement for centrally controlled time division multiplex telecommunication switching systems, particularly PCM-telephone switching systems with line trunk groups connected to a switching matrix | Axel Leichum, Anthony Maher | 1990-02-27 |
| 4853957 | Telecommunication switching systems with a central switching and local sub-switching | Axel Leichum, Anthony Maher | 1989-08-01 |