IP Library › Granted Patent US 6,545,409
Granted Patent Utility
US 6,545,409 · Confirmation No. 5155

ORGANIC LIGHT-EMITTING DIODE WITH HIGH CONTRAST RATIO

Inventor: Keith B. Kahen
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2011-11-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-11-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-11-17 PA.. Power of Attorney 6 View
2011-11-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-09-24 TRNA Transmittal of New Application 2 View
2001-09-24 DRW Drawings-only black and white line drawings 3 View
2001-05-10 TRNA Transmittal of New Application 1 View
2001-05-10 SPEC Specification 12 View
2001-05-10 CLM Claims 1 View
2001-05-10 ABST Abstract 1 View
2001-05-10 DRW Drawings-only black and white line drawings 4 View
2001-05-10 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,545,409
App. No.
09/853,023
Filed
2001-05-10
Granted
2003-04-08
Pub. No.
US20020190638A1
Art Unit
2833
PTA
0 days