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Richard J. Riggan
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San Jose, CA, US
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last 30 patents
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Patent Grant
System and method for prevention of cell loss due to quality of ser...
Patent number
6,490,252
Issue date
Dec 3, 2002
Siemens Information and Communication Networks, Inc.
Richard J. Riggan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for prevention of cell loss due to quality of ser...
Patent number
5,898,673
Issue date
Apr 27, 1999
Siemens Information and Communication Networks, Inc.
Richard J. Riggan
H04 - ELECTRIC COMMUNICATION TECHNIQUE