Michael Redden

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Greenwich, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Roaming authorization system
- Patent number 6,560,455
- Issue date May 6, 2003
- AT&T Wireless Services, Inc.
- Umesh J. Amin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Roaming authorization system
- Patent number 6,411,807
- Issue date Jun 25, 2002
- AT&T Wireless Service, Inc.
- Umesh J. Amin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ROAMING AUTHORIZATION SYSTEM
- Publication number 20020086671
- Publication date Jul 4, 2002
- UMESH J. AMIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Roaming authorization system
- Publication number 20020058506
- Publication date May 16, 2002
- Umesh J. Amin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE