Granted Patent
Utility
US 5,672,938 · App. 08/723,222
Light emission device comprising light emitting organic material and electron injection enhancement structure
Inventor:
Gary W. Jones
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Sep 27, 1996
Inventor
Gary W. Jones
Assignee (at issue)
FED Corporation
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.