US Patent 7221237 Frequency tunable device
Patent 7221237 was granted and assigned to National Tsing Hua University on May, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 5, 2004
Date of Patent
May 22, 2007
Patent Application Number
10982497
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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