Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841741 | Automatic seamless branching story-telling apparatus | — | 1998-11-24 |
| 5724091 | Compressed digital data interactive program system | Gregory W. Harper | 1998-03-03 |
| 5682196 | Three-dimensional (3D) video presentation system providing interactive 3D presentation with personalized audio responses for multiple viewers | — | 1997-10-28 |
| 5632007 | Interactive system and method for offering expert based interactive programs | — | 1997-05-20 |
| 5585858 | Simulcast of interactive signals with a conventional video signal | Gregory W. Harper | 1996-12-17 |
| 5537141 | Distance learning system providing individual television participation, audio responses and memory for every student | Gregory W. Harper | 1996-07-16 |
| 5403554 | Apparatus for depositing fluids on a chromatography plate | — | 1995-04-04 |
| 5340317 | Real-time interactive conversational apparatus | — | 1994-08-23 |
| RE34340 | Closed circuit television system having seamless interactive television programming and expandable user participation | — | 1993-08-10 |
| 5213510 | Real-time interactive conversational toy | — | 1993-05-25 |
| 4918516 | Closed circuit television system having seamless interactive television programming and expandable user participation | — | 1990-04-17 |
| 4847700 | Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals | — | 1989-07-11 |
| 4847698 | Interactive television system for providing full motion synched compatible audio/visual displays | — | 1989-07-11 |
| 4847699 | Method for providing an interactive full motion synched compatible audio/visual television display | — | 1989-07-11 |
| 4602279 | Method for providing targeted profile interactive CATV displays | — | 1986-07-22 |
| 4594476 | Broadcast interactive telephone system | — | 1986-06-10 |
| 4591248 | Dynamic audience responsive movie system | — | 1986-05-27 |
| 4591664 | Multichannel interactive telephone answering apparatus | — | 1986-05-27 |
| 4573072 | Method for expanding interactive CATV displayable choices for a given channel capacity | — | 1986-02-25 |
| 4507680 | One way interactive multisubscriber communication system | — | 1985-03-26 |
| 4420656 | Interactive telephone answering system | — | 1983-12-13 |
| 4320256 | Verbally interactive telephone interrogation system with selectible variable decision tree | — | 1982-03-16 |
| 4264924 | Dedicated channel interactive cable television system | — | 1981-04-28 |
| 4264925 | Interactive cable television system | Lawrence G. Kurland | 1981-04-28 |