Granted Patent
Utility
US 6,483,236 · App. 09/577,778
Low-voltage organic light-emitting device
Inventor:
Liang-Sun Hung
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: May 24, 2000
Inventor
Liang-Sun Hung
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.