IP Library › Granted Patent US 6,657,224
Granted Patent Utility Small
US 6,657,224 · Confirmation No. 7454

ORGANIC LIGHT EMITTING DIODE DEVICES USING THERMOSTABLE HOLE-INJECTION AND HOLE-TRANSPORT COMPOUNDS

Inventors: Xiaobo Shi, Igor Sokolik
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2016-01-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-01-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-01-22 PA.. Power of Attorney 2 View
2016-01-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-06-28 TRNA Transmittal of New Application 3 View
2001-06-28 SPEC Specification 30 View
2001-06-28 CLM Claims 40 View
2001-06-28 ABST Abstract 1 View
2001-06-28 DRW Drawings-only black and white line drawings 2 View
2001-06-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,657,224
App. No.
09/894,502
Filed
2001-06-28
Granted
2003-12-02
Pub. No.
US20030030059A1
Art Unit
2815
PTA
-91 days