Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741684 | Interactive TV using remote control with built-in phone | — | 2004-05-25 |
| 5999216 | Transmission and reception of television programs and an additional data service | — | 1999-12-07 |
| 5875303 | Method and arrangement for transmitting an interactive audiovisual program | Cornelis M. Huizer, Balthasar Van Luijt, Frank Bosveld | 1999-02-23 |