Corey Feldstein

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Powder Springs, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Alternative wireless telephone roaming using prepaid services
- Patent number 7,953,409
- Issue date May 31, 2011
- AT&T Intellectual Property I, L.P.
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Caller identification queue for wireless telephones
- Patent number 7,634,256
- Issue date Dec 15, 2009
- AT&T Intellectual Property, I, L.P.
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alternative wireless telephone roaming using prepaid services
- Patent number 7,324,816
- Issue date Jan 29, 2008
- AT&T BLS Intellectual Property, Inc.
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Caller identification queue for wireless telephones
- Patent number 7,079,837
- Issue date Jul 18, 2006
- BellSouth Intellectual Property Corporation
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alternative wireless telephone roaming using prepaid services
- Patent number 6,792,271
- Issue date Sep 14, 2004
- BellSouth Intellectual Property, Inc.
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Alternative Wireless Telephone Roaming Using Prepaid Services
- Publication number 20080188218
- Publication date Aug 7, 2008
- AT&T Delaware Intellectual Property, Inc. (formerly known as BellSouth Intell...
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Caller identification queue for wireless telephones
- Publication number 20070072596
- Publication date Mar 29, 2007
- BellSouth Intellectual Property Corporation
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Alternative wireless telephone roaming using prepaid services
- Publication number 20050020263
- Publication date Jan 27, 2005
- BellSouth Intellectual Property Corporation
- Stephen Sherman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE