Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881229 | Test circuit arrangement for a communication network and test method using same | Gunter Kaltbeitzel, Martin Renner, Joachim Wolk | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881229 | Test circuit arrangement for a communication network and test method using same | Gunter Kaltbeitzel, Martin Renner, Joachim Wolk | 1989-11-14 |