Wistendahl; Douglass A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wistendahl; Douglass A..The latest application filed is for "system for converting existing tv content to interactive tv programs operated with a standard remote control and tv set-top box".
- Wistendahl; Douglass A. - Bellport NY
- Wistendahl; Douglass A. - Greenwich CT
| Patent | Date |
|---|---|
| System for converting TV content to interactive TV game program operated with a standard remote control and TV set-top box Grant 7,577,978 - Wistendahl , et al. August 18, 2 | 2009-08-18 |
| System for converting media content for interactive TV use Grant 6,496,981 - Wistendahl , et al. December 17, 2 | 2002-12-17 |
| System for converting existing TV content to interactive TV programs operated with a standard remote control and TV set-top box App 20020056136 - Wistendahl, Douglass A. ; et al. | 2002-05-09 |
| System for mapping hot spots in media content for interactive digital media program Grant 5,708,845 - Wistendahl , et al. January 13, 1 | 1998-01-13 |
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