Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014264 | Circuit configuration for telecommunication switching systems, in particular PCM time division multiplex telephone switching systems with a central switching network and peripheral sub-switching networks connected to it | Werner Nagler | 1991-05-07 |
| 4763316 | Circuit arrangement for centrally controlled time division multiplex telecommunication exchange facilities | Gerhard Schaich | 1988-08-09 |