Wallen; David

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wallen; David.The latest application filed is for "apparatus and method for digital processing of analog television signals".

Company Profile

0.6.2

Wallen; David - San Francisco CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus and method for digital processing of analog television signals Grant 8,072,539 - Cooper , et al. December 6, 2	2011-12-06
Apparatus and method for digital processing of analog television signals Grant 6,989,869 - Cooper , et al. January 24, 2	2006-01-24
Apparatus and method for digital processing of analog television signals App 20030007093 - Cooper, J. Carl ; et al.	2003-01-09
Apparatus and method for maintaining synchronization of multiple delayed signals Grant 6,392,707 - Cooper , et al. May 21, 2	2002-05-21
Apparatus and method for processing television signals App 20010035912 - Cooper, J. Carl ; et al.	2001-11-01
Apparatus and method for maintaining synchronization of multiple delayed signals of differing types Grant 6,141,057 - Cooper , et al. October 31, 2	2000-10-31
Apparatus and method for synchronizing multiple asynchronous signals Grant 5,946,049 - Cooper , et al. August 31, 1	1999-08-31
Apparatus and method for synchronizing asynchronous signals Grant 5,550,594 - Cooper , et al. August 27, 1	1996-08-27

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