Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146453 | Circuit configuration for clock-controlled time division multiplex telecommunications switching installations | Werner Nagler, Lothar Schmidt | 1992-09-08 |
| 5043978 | Circuit arrangement for telecommunications exchanges | Werner Nagler, Lothar Schmidt | 1991-08-27 |
| 4901347 | Circuit arrangement for telecommunication switching systems, particularly PCM-time-division multiplex telephone switching systems with a central matrix and with local sub-switching matrices connected to the same | Lothar Schmidt, Klaus Eberlein, Gerhard Schaich | 1990-02-13 |