US Patent 7468338 Optical glass, press-molding preform and optical part
Patent 7468338 was granted and assigned to Hoya on December, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
0
Date Filed
September 21, 2007
0
Date of Patent
December 23, 2008
0
Patent Application Number
11902409
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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