US Patent 8905541 Electronic spectacle frames
Patent 8905541 was granted and assigned to Mitsui Chemicals on December, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 17, 2011
Date of Patent
December 9, 2014
Patent Application Number
13298992
Patent Inventor Names
Ronald D. Blum
0
Yongping Wang
0
Claudio Dalla Longa
0
Joshua N. Haddock
0
Mark Graham
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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