WS

Wallace F. Smith

AT AT&T: 12 patents #1,455 of 18,772Top 8%
Overall (All Time): #419,829 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9485352 Method for measuring processing delays of voice-over IP devices David Ramsden 2016-11-01
9160842 Method for measuring processing delays of voice-over IP devices David Ramsden 2015-10-13
9008326 Method for testing echo cancellers James H. James 2015-04-14
8503311 Method for measuring processing delays of voice-over IP devices David Ramsden 2013-08-06
8391126 Method and apparatus for providing echo cancellation in a network James H. James, David Ramsden 2013-03-05
8295501 Method for testing echo cancellers James H. James 2012-10-23
7899639 Method and apparatus for identifying a fault in a communication path James H. James, David Ramsden 2011-03-01
7848248 Method and apparatus for measuring one way transmission delay 2010-12-07
7590222 Techniques and apparatus for one way transmission delay measurement for IP phone connections 2009-09-15
7516033 Method and apparatus for identifying echo sources in a communication path James H. James, David Ramsden 2009-04-07
7251213 Method for remote measurement of echo path delay Bing Chen 2007-07-31
7003098 Method and system for measurement of the delay through a network link bounded by an echo canceller 2006-02-21