John PINCH

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Richardson, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Fault tolerant virtual tandem switch
- Patent number 7,227,837
- Issue date Jun 5, 2007
- AT&T Labs, Inc.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FAULT TOLERANT ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTE...
- Publication number 20070286200
- Publication date Dec 13, 2007
- AT&T LABS, INC.
- Haifeng BI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE