US Patent 7489850 Phosphorous and alkali doped optical fiber
Patent 7489850 was granted and assigned to Corning Incorporated on February, 2009 by the United States Patent and Trademark Office.
Is a
Date Filed
October 30, 2007
Date of Patent
February 10, 2009
Patent Application Number
11978858
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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