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LAYERED LIGHT GUIDE WITH DIFFRACTIVE STRUCTURES

12/291,504 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 10, 2008
Examiner STEPHEN F HUSAR
Class 362
Art Group 2875
Patent No. 7,798,699
Case Type Utility - 362/616000
Status Patented Case
Last Updated: 4 years ago
Date # Transaction