Granted Patent
Utility
US 5,405,709 · App. 08/121,712
White light emitting internal junction organic electroluminescent device
Inventors:
Jon E. Littman, Steve A. VanSlyke
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Sep 13, 1993
Inventors
Jon E. Littman
Steve A. VanSlyke
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.