Richard W. Stephenson

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
ATM-based distributed network switching system
- Patent number 7,304,986
- Issue date Dec 4, 2007
- AT&T Labs, Inc.
- George Coleman Allen, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Virtual tandem switch
- Patent number 7,099,311
- Issue date Aug 29, 2006
- SBC Technology Resources, Inc.
- George C. Allen, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed virtual tandem switch
- Patent number 7,095,734
- Issue date Aug 22, 2006
- SBC Technology Resources, Inc.
- George Coleman Allen, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed network switching system
- Patent number 6,765,903
- Issue date Jul 20, 2004
- SBC Technology Resources, Inc.
- George Coleman Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,389,011
- Issue date May 14, 2002
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,345,048
- Issue date Feb 5, 2002
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,219,348
- Issue date Apr 17, 2001
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,169,735
- Issue date Jan 2, 2001
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ATM-based distributed virtual tandem switching systme
- Publication number 20060274732
- Publication date Dec 7, 2006
- SBC TECHNOLOGY RESOURCES, INC.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed network switching system
- Publication number 20060274735
- Publication date Dec 7, 2006
- SBC TECHNOLOGY RESOURCES, INC.
- George Coleman Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed network switching system
- Publication number 20040233909
- Publication date Nov 25, 2004
- SBC TECHNOLOGY RESOURCES, INC.
- George Coleman Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed virtual tandem switching system
- Publication number 20020093947
- Publication date Jul 18, 2002
- SBC TECHNOLOGY RESOURCES, INC.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed virtual tandem switching system
- Publication number 20010017861
- Publication date Aug 30, 2001
- SBC TECHNOLOGY RESOURCES, INC.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Richard W. Stephenson

Person

Patents Grantslast 30 patents

ATM-based distributed network switching system

Virtual tandem switch

Distributed virtual tandem switch

ATM-based distributed network switching system

ATM-based distributed virtual tandem switching system

ATM-based distributed virtual tandem switching system

ATM-based distributed virtual tandem switching system

ATM-based distributed virtual tandem switching system

Patents Applicationslast 30 patents

ATM-based distributed virtual tandem switching systme

ATM-based distributed network switching system

ATM-based distributed network switching system

ATM-based distributed virtual tandem switching system

ATM-based distributed virtual tandem switching system