Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687908 | Interactive television | — | 2004-02-03 |
| 6370689 | Interactive television | — | 2002-04-09 |
| 5821982 | Method and device for securely transmitting teletext pages to specific users | Herman J. R. Schmitz | 1998-10-13 |
| 5739795 | Portable receiver with antenna | Pierre Chanteau, Bram P. Van Sambeek, Steven Thomas Slot | 1998-04-14 |