Granted Patent
Utility
US 6,680,132 · App. 10/105,683
Red organic electroluminescent devices
Inventors:
Jianmin Shi, Kevin P. Klubek
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Mar 25, 2002
Inventors
Jianmin Shi
Kevin P. Klubek
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.