US Patent 7508933 Resonance chamber of a cellular phone
Patent 7508933 was granted and assigned to BenQ on March, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 31, 2005
Date of Patent
March 24, 2009
Patent Application Number
11047369
Patent Inventor Names
Tsung-Lung Yang
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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