Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577978 | System for converting TV content to interactive TV game program operated with a standard remote control and TV set-top box | Douglass A. Wistendahl | 2009-08-18 |
| 6496981 | System for converting media content for interactive TV use | Douglass A. Wistendahl | 2002-12-17 |
| 5708845 | System for mapping hot spots in media content for interactive digital media program | Douglass A. Wistendahl | 1998-01-13 |
| 5535120 | Machine translation and telecommunications system using user ID data to select dictionaries | Christine K. Kamprath | 1996-07-09 |
| 5497319 | Machine translation and telecommunications system | Christine K. Kamprath | 1996-03-05 |
| 5175684 | Automatic text translation and routing system | — | 1992-12-29 |