Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852159 | Circuit arrangement for a module in the exchange of a digital TDM telecommunications network | Robert Lechner | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852159 | Circuit arrangement for a module in the exchange of a digital TDM telecommunications network | Robert Lechner | 1989-07-25 |