Granted Patent
Utility
US 6,765,349 · App. 10/260,666
High work function metal alloy cathode used in organic electroluminescent devices
Inventors:
Liang-Sheng Liao, Joseph K. Madathil, Pranab K. Raychaudhuri
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Sep 30, 2002
Inventors
Liang-Sheng Liao
Joseph K. Madathil
Pranab K. Raychaudhuri
Assignee (at issue)
EASTMAN KODAK COMPANY
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.