US Patent 7661821 Apparatus for improving visual perception
Patent 7661821 was granted and assigned to Revitalvision, Llc on February, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 15, 2006
0
Date of Patent
February 16, 2010
0
Patent Application Number
12083533
0
Patent Inventor Names
Nir Ellenbogen
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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