Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002137 | Reference point talbot encoder | William G. Thorburn, Norman J. Tobey, Douglas A. Klingbeil, Ralph A. Kelliher | 2006-02-21 |
| 5243652 | Location-sensitive remote database access control | Stephen S. Walker | 1993-09-07 |
| 5054064 | Video control system for recorded programs | Stephen S. Walker, Clarence M. Sidlo | 1991-10-01 |
| 5046090 | Recorded medium for video control system | Stephen S. Walker, Clarence M. Sidlo | 1991-09-03 |
| 5046092 | Video control system for transmitted programs | Stephen S. Walker, Clarence M. Sidlo | 1991-09-03 |
| 4991208 | Video control system having session encryption key | Stephen S. Walker, Clarence M. Sidlo | 1991-02-05 |