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LIGHT EMITTING DEVICE WITH IMPROVED INTERNAL QUANTUM EFFICIENCY

12/616,610 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 11, 2009
Examiner NATHAN W HA
Class 257
Art Group 2814
Patent No. 7,772,588
Case Type Utility - 257/013000
Status Patented Case
Parent 12/486,267 Abandoned
Parent 61/158,184 Expired
Last Updated: 1 year, 5 months ago
Date # Transaction