Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432561 | System for automatically activating picture-in-picture when an auxiliary signal is detected | — | 1995-07-11 |
| 5223924 | System and method for automatically correlating user preferences with a T.V. program information database | — | 1993-06-29 |
| 5047867 | Interface for a TV-VCR system | Donald R. Gentner | 1991-09-10 |
| 4959719 | Picture-in-picture television receiver control | Donald R. Gentner | 1990-09-25 |