| 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 |