Granted Patent
Utility
US 5,409,783 · App. 08/201,292
Red-emitting organic electroluminescent device
Inventors:
Ching W. Tang, Charles H. Weidner, Dustin L. Comfort
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Feb 24, 1994
Inventors
Ching W. Tang
Charles H. Weidner
Dustin L. Comfort
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.