Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8250597 | Method and apparatus for providing copy protection using a transmittal mode command | Peter Wonfor | 2012-08-21 | $13,102,000 |
| 7395545 | Method and apparatus for providing copy protection using a transmittal mode command | Peter Wonfor | 2008-07-01 | $16,830,000 |
| 6701062 | Generational copy control of a video signal | Johan Cornelis Talstra, Mark Hollar, Kordian Kurowski, David C. Collier, William J. Wrobleski +4 more | 2004-03-02 | $10,933,000 |
| 6381747 | Method for controlling copy protection in digital video networks | Peter Wonfor | 2002-04-30 | $9,132,000 |