William Marczak

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Decatur, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for managing a call session
- Patent number 9,060,076
- Issue date Jun 16, 2015
- AT&T Intellectual Property I, L.P.
- Thomas Breen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for managing a call session
- Patent number 8,462,915
- Issue date Jun 11, 2013
- AT&T Intellectual Property I, L.P.
- Thomas Breen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for managing a call session
- Patent number 7,573,982
- Issue date Aug 11, 2009
- BellSouth Intellectual Property Corporation
- Thomas Breen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS FOR MANAGING A CALL SESSION
- Publication number 20130272297
- Publication date Oct 17, 2013
- THOMAS BREEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and systems for managing a call session
- Publication number 20060078094
- Publication date Apr 13, 2006
- BellSouth Intellectual Property Corporation
- Thomas Breen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods, systems, and computer program products for providing emerg...
- Publication number 20060072710
- Publication date Apr 6, 2006
- Thomas P. Breen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE