Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704323 | Method and device for automatic configuration of a subscriber's installation with a network interface unit | — | 2004-03-09 |
| 5680399 | Method and circuit arrangement for controlling a call setup for interactive services | Juergen Totzke | 1997-10-21 |