Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860344 | Circuit arrangement for telecommunications switching systems, particularly telephone switching systems, etc. | Herbert Jans, Klaus Brandmaier | 1989-08-22 |
| 4802205 | Circuit arrangement for telecommunications switching systems, particularly for telephone switching systems comprising information-processing sequential logic systems and traffic measuring devices | Michael Eder, Klaus Leutner | 1989-01-31 |