DS

David Robert Stringer

Nortel Networks Limited: 6 patents #453 of 5,294Top 9%
📍 Knebworth, GB: #4 of 20 inventorsTop 20%
Overall (All Time): #871,062 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7603411 Presence management system Elwyn B Davies, Andrew Newton Harker, Eric Parsons, Steven M. Armstrong 2009-10-13
7373428 Intelligent filtering for contact spanning multiple access networks Steven M. Armstrong, Eric Parsons, Elwyn B Davies, Andrew Newton Harker 2008-05-13
7359938 System indicating the presence of an individual or group of individuals Elwyn B Davies, Andrew Newton Harker, Eric Parsons, Steven M. Armstrong 2008-04-15
7221658 Independent contact spanning multiple access networks Steven M. Armstrong, Eric Parsons, Elwyn B Davies, Andrew Newton Harker 2007-05-22
6853634 Anonymity in a presence management system Elwyn B Davies, Andrew Newton Harker, Eric Parsons, Steven M. Armstrong 2005-02-08
6807423 Communication and presence spanning multiple access networks Steven M. Armstrong, Eric Parsons, Elwyn B Davies, Andrew Newton Harker 2004-10-19