Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440554 | Broadband private automatic branch exchange | Hartmut Dunger, Volker Werbus | 1995-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440554 | Broadband private automatic branch exchange | Hartmut Dunger, Volker Werbus | 1995-08-08 |