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METHOD AND APPARATUS FOR MANUFACTURING ORGANIC ELECTROLUMINESCENT DEVICE, ELECTRONIC APPARATUS AND METHOD OF REMOVING IONIC IMPURITIES

10/623,649 | U.S. Patent Application

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Location ELECTRONIC
Filed July 22, 2003
Examiner DUNG ANH LE
Class 438
Art Group 2818
Patent No. 7,078,250
Case Type Utility - 438/022000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child 2002-221673
Child 2003-195296
Last Updated: 5 years ago
Date # Transaction