Christman; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Christman; David.The latest application filed is for "system and method for controlling a digital video recorder on a cable network".
- Christman; David - Rowayton CT
| Patent | Date |
|---|---|
| System and method for controlling a digital video recorder in response to a telephone state transition Grant 8,204,354 - Alexander , et al. June 19, 2 | 2012-06-19 |
| System and Method for Controlling a Digital Video Recorder on a Cable Network App 20090060152 - Alexander; Paul ; et al. | 2009-03-05 |
| System and method for controlling a digital video recorder on a cable network Grant 7,486,869 - Alexander , et al. February 3, 2 | 2009-02-03 |
| System and method for controlling a digital video recorder on a cable network App 20060115058 - Alexander; Paul ; et al. | 2006-06-01 |
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