US Patent 7672579 Retractable lens barrel
Patent 7672579 was granted and assigned to Hoya on March, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 19, 2006
Date of Patent
March 2, 2010
Patent Application Number
11458586
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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