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Patent applications and USPTO patent grants for Lee; Shin S..The latest application filed is for "cellular composite grid-stiffened structure".
Patent | Date |
---|---|
Cellular composite grid-stiffened structure Grant 8,007,628 - Lee , et al. August 30, 2 | 2011-08-30 |
Composite aircraft structures with hat stiffeners Grant 7,871,040 - Lee , et al. January 18, 2 | 2011-01-18 |
Cellular composite grid-stiffened structure Grant 7,510,757 - Lee , et al. March 31, 2 | 2009-03-31 |
Cellular Composite Grid-stiffened Structure App 20090038744 - Lee; Shin S. ;   et al. | 2009-02-12 |
Composite Aircraft Structures With Hat Stiffeners App 20080111024 - Lee; Shin S. ;   et al. | 2008-05-15 |
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