US Patent 7538885 Optical characteristic measuring apparatus
Patent 7538885 was granted and assigned to Yokogawa Electric on May, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 31, 2006
Date of Patent
May 26, 2009
Patent Application Number
11443344
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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