Dipti Ranganathan

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System, method and apparatus for playing a sound identifier based o...
- Patent number 7,996,527
- Issue date Aug 9, 2011
- AT&T Intellectual Property II, L.P.
- Ellen Isaacs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method and apparatus for communicating via instant messaging
- Patent number 7,805,487
- Issue date Sep 28, 2010
- AT&T Intellectual Property II, L.P.
- Ellen Isaacs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method and apparatus for communicating via instant messaging
- Patent number 7,584,257
- Issue date Sep 1, 2009
- AT&T Intellectual Property II, L.P.
- Ellen Isaacs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System, method and apparatus for communicating via instant messaging
- Patent number 7,043,530
- Issue date May 9, 2006
- AT&T Corp.
- Ellen Isaacs
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
System, Method and Apparatus for Communicating Via Instant Messaging
- Publication number 20100023590
- Publication date Jan 28, 2010
- AT&T INTELLECTUAL PROPERTY II, L.P.
- Ellen Isaacs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System, method and apparatus for communicating via instant messaging
- Publication number 20060075056
- Publication date Apr 6, 2006
- Ellen Isaacs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for communicating via instant messaging
- Publication number 20020034281
- Publication date Mar 21, 2002
- Ellen Isaacs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System, method and apparatus for communicating via instant messaging
- Publication number 20020026483
- Publication date Feb 28, 2002
- Ellen Isaacs
- G06 - COMPUTING CALCULATING COUNTING