Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680399 | Method and circuit arrangement for controlling a call setup for interactive services | Gernot Von Der Straten | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680399 | Method and circuit arrangement for controlling a call setup for interactive services | Gernot Von Der Straten | 1997-10-21 |