Joseph Raymond Kieren

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San Ramon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Local number portability cross connect method
- Patent number 7,961,864
- Issue date Jun 14, 2011
- AT&T Intellectual Property I, L.P.
- Joseph Raymond Kieren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Local number portability cross connect switch network
- Patent number 7,194,082
- Issue date Mar 20, 2007
- SBC Technology Resources, Inc.
- Joseph Raymond Kieren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Local number portability cross connect switch and method
- Patent number 6,711,251
- Issue date Mar 23, 2004
- SBC Technology Resources Inc.
- Joseph Raymond Kieren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Local number portability cross connect method
- Publication number 20070133778
- Publication date Jun 14, 2007
- SBC TECHNOLOGY RESOURCES, INC.
- Joseph Raymond Kieren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Local number portability cross connect switch network
- Publication number 20040223604
- Publication date Nov 11, 2004
- Joseph Raymond Kieren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE