Farrell; David S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Farrell; David S..The latest application filed is for "echo canceller having improved non-linear processor".

Company Profile

0.7.4

Farrell; David S. - Lisle IL

*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
Echo canceller having improved non-linear processor Grant 7,450,714 - Farrell , et al. November 11, 2	2008-11-11
Echo canceller employing dual-H architecture having variable adaptive gain settings Grant 7,200,222 - Laberteaux , et al. April 3, 2	2007-04-03
Echo canceller employing dual-H architecture having variable adaptive gain settings App 20060115077 - Laberteaux; Kenneth P. ; et al.	2006-06-01
Echo canceller having improved non-linear processor App 20060115078 - Farrell; David S. ; et al.	2006-06-01
Echo canceller having improved non-linear processor Grant 7,020,278 - Farrell , et al. March 28, 2	2006-03-28
Echo canceller employing dual-H architecture having variable adaptive gain settings App 20040086108 - Laberteaux, Kenneth P. ; et al.	2004-05-06
Echo canceller employing dual-H architecture having variable adaptive gain settings Grant 6,614,907 - Laberteaux , et al. September 2, 2	2003-09-02
Echo canceller having improved non-linear processor App 20030043999 - Farrell, David S. ; et al.	2003-03-06
Echo canceller having improved non-linear processor Grant 6,516,063 - Farrell , et al. February 4, 2	2003-02-04
Echo canceller having improved non-linear processor Grant 6,198,819 - Farrell , et al. March 6, 2	2001-03-06
Echo canceller employing dual-H architecture having variable adaptive gain settings Grant 6,031,908 - Laberteaux , et al. February 29, 2	2000-02-29

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