Granted Patent
Utility
US 5,059,861 · App. 07/557,847
Organic electroluminescent device with stabilizing cathode capping layer
Inventors:
Jon E. Littman, Michael Scozzafava
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Jul 26, 1990
Inventors
Jon E. Littman
Michael Scozzafava
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.