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Barbara Engel Smith
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San Antonio, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Methods and apparatus for performing non-intrusive data link layer...
Patent number
8,706,862
Issue date
Apr 22, 2014
AT&T Intellectual Property I, L.P.
Jonathan Roll
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for performing non-intrusive network layer pe...
Patent number
8,527,663
Issue date
Sep 3, 2013
AT&T Intellectual Property I, L.P.
Jonathan Roll
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fault tolerant virtual tandem switch
Patent number
7,227,837
Issue date
Jun 5, 2007
AT&T Labs, Inc.
Haifeng Bi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHODS AND APPARATUS FOR PERFORMING NON-INTRUSIVE NETWORK LAYER PE...
Publication number
20090164626
Publication date
Jun 25, 2009
Jonathan Roll
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS FOR PERFORMING NON-INTRUSIVE NETWORK LAYER PE...
Publication number
20090164625
Publication date
Jun 25, 2009
Jonathan Roll
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS TO PROVIDE SERVICE INFORMATION AND ACTIVATE C...
Publication number
20080091793
Publication date
Apr 17, 2008
Yolius Diroo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FAULT TOLERANT ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTE...
Publication number
20070286200
Publication date
Dec 13, 2007
AT&T LABS, INC.
Haifeng BI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Synchronous optical network (SONET) demarcation device
Publication number
20070147259
Publication date
Jun 28, 2007
SBC Knowledge Ventures, L.P.
Barbara E. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Intra-call display of billing rate information
Publication number
20050182718
Publication date
Aug 18, 2005
SBC Knowledge Ventures, L.P.
Philip Ted Kortum
G06 - COMPUTING CALCULATING COUNTING