Christopher Vestal

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Durham, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Network broadcasting for selective presentation of audio content
- Patent number 10,620,904
- Issue date Apr 14, 2020
- AT&T Intellectual Property I, L.P.
- Christopher Daniel Vestal
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for detecting a network impairment using call...
- Patent number 8,908,558
- Issue date Dec 9, 2014
- AT&T Intellectual Property II, L.P.
- Howard Lang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring a packet network
- Patent number 8,908,557
- Issue date Dec 9, 2014
- AT&T Intellectual Property II, L.P.
- Howard Lang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting a network impairment using call...
- Patent number 8,503,313
- Issue date Aug 6, 2013
- AT&T Intellectual Property II, L.P.
- Howard Lang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring a packet network
- Patent number 8,477,637
- Issue date Jul 2, 2013
- AT&T Intellectual Property II, L.P.
- Howard Lang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NETWORK BROADCASTING FOR SELECTIVE PRESENTATION OF AUDIO CONTENT
- Publication number 20200081682
- Publication date Mar 12, 2020
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Christopher Daniel Vestal
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR DETECTING A NETWORK IMPAIRMENT USING CALL...
- Publication number 20130322263
- Publication date Dec 5, 2013
- AT&T Intellectual Property II, L.P.
- Howard Lang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MONITORING A PACKET NETWORK
- Publication number 20130272154
- Publication date Oct 17, 2013
- HOWARD LANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR TESTING BACKUP SITES IN A VOICE OVER INTER...
- Publication number 20100165837
- Publication date Jul 1, 2010
- Sumitra Sinha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MONITORING OF A NETWORK DEVICE
- Publication number 20090154362
- Publication date Jun 18, 2009
- CHIN-WANG CHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE