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Patent applications and USPTO patent grants for Griffith; Richard F..The latest application filed is for "optical film having microreplicated structures and methods".
Patent | Date |
---|---|
Optical film having microreplicated structures and methods Grant 8,579,492 - Epstein , et al. November 12, 2 | 2013-11-12 |
Illumination assembly and system Grant 7,695,180 - Schardt , et al. April 13, 2 | 2010-04-13 |
Optical Film Having Microreplicated Structures And Methods App 20080049341 - Epstein; Kenneth A. ;   et al. | 2008-02-28 |
Illumination Assembly And System App 20070047254 - Schardt; Craig R. ;   et al. | 2007-03-01 |
Optical film having microeplicated structures; and methods App 20050024754 - Epstein, Kenneth A. ;   et al. | 2005-02-03 |
Light directing construction having corrosion resistant feature Grant 6,626,545 - Gardner , et al. September 30, 2 | 2003-09-30 |
Light directing construction having corrosion resistant feature Grant 6,590,711 - Gardner , et al. July 8, 2 | 2003-07-08 |
Light directing construction having corrosion resistant feature App 20030095332 - Gardner, Timothy J. ;   et al. | 2003-05-22 |
Optical film having microreplicated structures; and methods App 20030058553 - Epstein, Kenneth A. ;   et al. | 2003-03-27 |
Optical film having microreplicated structures; and methods App 20030035231 - Epstein, Kenneth A. ;   et al. | 2003-02-20 |
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