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Guy J. Zenner
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Northbrook, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Method and system for implementing aggregate endpoints on IMS networks
Patent number
9,379,914
Issue date
Jun 28, 2016
AT&T Intellectual Property I, L.P.
Min Lu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Surrogate registration in internet protocol multimedia subsystem fo...
Patent number
8,068,469
Issue date
Nov 29, 2011
Alcatel Lucent
Tienyu Chiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for allowing peering relationships between tel...
Patent number
7,787,443
Issue date
Aug 31, 2010
Alcatel-Lucent USA Inc.
Douglas W. Varney
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and system for implementing aggregate endpoints on IMS networks
Publication number
20120219127
Publication date
Aug 30, 2012
Min Lu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Surrogate registration in internet protocol multimedia subsystem fo...
Publication number
20080194258
Publication date
Aug 14, 2008
Tienyu Chiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for allowing peering relationships between tel...
Publication number
20070076691
Publication date
Apr 5, 2007
Douglas W. Varney
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for providing advanced services for traditional PSTN residen...
Publication number
20060109840
Publication date
May 25, 2006
Guy J. Zenner
H04 - ELECTRIC COMMUNICATION TECHNIQUE