Weiqian Dai

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Handling of forward-to numbers across regional and political bounda...
- Patent number 6,782,254
- Issue date Aug 24, 2004
- Lucent Technologies Inc.
- Michael Dwayne Chambers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Efficient wireless call delivery across regional and political boun...
- Patent number 6,625,453
- Issue date Sep 23, 2003
- Lucent Technologies Inc.
- Weiqian Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE