Granted Patent
Utility
US 6,831,407 · App. 10/271,069
Oled device having improved light output
Inventor:
Ronald S. Cok
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 15, 2002
Inventor
Ronald S. Cok
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.