Issued Patents All Time
Showing 226–244 of 244 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6141488 | Program guide system for recording television programs | Edward B. Knudson, Michael D. Ellis, Bruce L. Davis | 2000-10-31 |
| 6016141 | Interactive television program guide system with pay program package promotion | Edward B. Knudson, Michael D. Ellis, Bruce L. Davis | 2000-01-18 |
| 5822123 | Electronic television program guide schedule system and method with pop-up hints | Bruce L. Davis, Michael D. Ellis, Edward B. Knudson | 1998-10-13 |
| 5771307 | Audience measurement system and method | Daozheng Lu, Ceril T. Shagrin, Morris Lee, Bruce E. Bernard, Jia Zhang | 1998-06-23 |
| 5666645 | Data management and distribution system and method for an electronic television program guide | David W. Gustafson, Dennis Tenney, Paul Darata | 1997-09-09 |
| 5635978 | Electronic television program guide channel system and method | Jerry Alten, Bruce L. Davis, Michael D. Morris, Roger Youman | 1997-06-03 |
| 5550928 | Audience measurement system and method | Daozheng Lu, Ceril T. Shagrin, Morris Lee, Bruce E. Bernard, Jia Zhang | 1996-08-27 |
| 5526427 | Universal broadcast code and multi-level encoded signal monitoring system | Paul C. Kempter, David H. Harkness | 1996-06-11 |
| 5488919 | Canted rudder system for pitch roll and steering control | Larrie D. Ferreiro, Timothy Smith | 1996-02-06 |
| 5481294 | Audience measurement system utilizing ancillary codes and passive signatures | Daozheng Lu | 1996-01-02 |
| 5425100 | Universal broadcast code and multi-level encoded signal monitoring system | Paul C. Kempter, David H. Harkness | 1995-06-13 |
| 4739398 | Method, apparatus and system for recognizing broadcast segments | Steven J. Sletten, John Mathews, Jeffrey C. Swinehart, Michael W. Fellinger, John Erik Hershey +2 more | 1988-04-19 |
| 4600921 | Full-field teletext system with dynamic addressability | — | 1986-07-15 |
| 4542897 | Exercise cycle with interactive amusement device | Donald Melton | 1985-09-24 |
| 4393404 | Special services teletext communications system | Charles Cox | 1983-07-12 |
| 4393376 | Teletext interface for digital storage medium having synthetic video generator | — | 1983-07-12 |
| 4388645 | Teletext communication system with timed multipage local memory | Charles Cox | 1983-06-14 |
| 4358896 | Workpiece locator | — | 1982-11-16 |
| 4354736 | Stress-induced birefringent single mode optical fiber and a method of fabricating the same | Mokhtar S. Maklad, Francis I. Akers | 1982-10-19 |