Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7269841 | Digital cable headend for cable television delivery system | John S. Hendricks, Alfred E. Bonner, Richard E. Wunderlich | 2007-09-11 |
| 5764275 | Interactive television security through transaction time stamping | Susan K. Marshall, Wayne Y. Yamamoto, Cameron A. Wilson, Eric C. Berkobin, Richard S. Simons | 1998-06-09 |
| 5734413 | Transaction based interactive television system | Susan K. Marshall, Wayne Y. Yamamoto, Cameron A. Wilson | 1998-03-31 |
| 5682195 | Digital cable headend for cable television delivery system | John S. Hendricks, Alfred E. Bonner, Richard E. Wunderlich | 1997-10-28 |
| 5638113 | Transaction based interactive television system | Susan K. Marshall, Wayne Y. Yamamoto, Cameron A. Wilson | 1997-06-10 |
| 5526035 | Transaction based interactive television system | Susan K. Marshall | 1996-06-11 |
| 5519433 | Interactive television security through transaction time stamping | Susan K. Marshall, Wayne Y. Yamamoto, Cameron A. Wilson, Eric C. Berkobin, Richard S. Simons | 1996-05-21 |
| 5381459 | System for distributing radio telephone signals over a cable television network | — | 1995-01-10 |
| 5343239 | Transaction based interactive television system | Susan K. Marshall | 1994-08-30 |