Granted Patent
Utility
US 6,561,666 · App. 09/850,406
Organic electroluminescent (EL) device
Inventor:
Eui-Yeul Park
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: May 8, 2001
Inventor
Eui-Yeul Park
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.