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Lei Huang
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Omaha, NE, US
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last 30 patents
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Patent Grant
Answering machine detection
Patent number
9,100,479
Issue date
Aug 4, 2015
Angel.com Incorporated
Ahmed Tewfik Bouzid
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
ANSWERING MACHINE DETECTION
Publication number
20120230483
Publication date
Sep 13, 2012
ANGEL.COM
Ahmed Tewfik Bouzid
H04 - ELECTRIC COMMUNICATION TECHNIQUE