Richard A. Hellman

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Redmond, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Precoordination of return link for hand-off between coverage areas...
- Patent number 6,885,863
- Issue date Apr 26, 2005
- The Boeing Company
- David S. Parkman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PRECOORDINATION OF RETURN LINK FOR HAND-OFF BETWEEN COVERAGE AREAS...
- Publication number 20040092263
- Publication date May 13, 2004
- David S. Parkman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE