William H. ALLEN

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Pleasanton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
International origin dependent customized routing of calls to toll-...
- Patent number 8,908,850
- Issue date Dec 9, 2014
- AT&T Intellectual Property I, L.P.
- William H. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
International origin dependent customized routing of calls to toll-...
- Patent number 8,401,167
- Issue date Mar 19, 2013
- AT&T Intellectual Property I, L.P.
- William H. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunication service with pre-paid access
- Patent number 7,889,848
- Issue date Feb 15, 2011
- AT&T Intellectual Property I, L.P.
- William Henry Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
International origin dependent customized routing of calls to toll-...
- Patent number 7,764,778
- Issue date Jul 27, 2010
- AT&T Intellectual Property I, L.P.
- William H. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Toll-free number blocking override indicator
- Patent number 7,447,301
- Issue date Nov 4, 2008
- AT&T Intellectual Property I, L.P.
- Susanne M. Crockett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INTERNATIONAL ORIGIN DEPENDENT CUSTOMIZED ROUTING OF CALLS TO TOLL-...
- Publication number 20130177142
- Publication date Jul 11, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- William H. ALLEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERNATIONAL ORIGIN DEPENDENT CUSTOMIZED ROUTING OF CALLS TO TOLL-...
- Publication number 20090074174
- Publication date Mar 19, 2009
- AT&T Intellectual Property I, L.P.
- William H. ALLEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telecommunication service with pre-paid access
- Publication number 20070036307
- Publication date Feb 15, 2007
- SBC Knowledge Ventures, L.P.
- William Henry Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
International origin dependent customized routing of calls to toll-...
- Publication number 20050058270
- Publication date Mar 17, 2005
- SBC Knowledge Ventures, L.P.
- William H. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Toll-free number blocking override indicator
- Publication number 20040213392
- Publication date Oct 28, 2004
- SBC Properties, L.P.
- Susanne M. Crockett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE