Craig E. Walker

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Diablo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Conference calls for social streams
- Patent number 8,898,578
- Issue date Nov 25, 2014
- Google Inc.
- Greg Hecht
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conference calls for social streams
- Patent number 8,887,070
- Issue date Nov 11, 2014
- Google Inc.
- Greg Hecht
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for managing telephone calls
- Patent number 8,817,669
- Issue date Aug 26, 2014
- Google Inc.
- Craig Elliott Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for managing telephone calls
- Publication number 20150003444
- Publication date Jan 1, 2015
- Google Inc.
- Craig Elliott Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-NETWORK TELEPHONE CONNECTIONS
- Publication number 20110026468
- Publication date Feb 3, 2011
- Daniel R. Conrad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MANAGING TELEPHONE CALLS
- Publication number 20100322392
- Publication date Dec 23, 2010
- Craig Elliott Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for managing telephone calls
- Publication number 20080259918
- Publication date Oct 23, 2008
- Craig Elliott Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE