Granted Patent
Utility
US 6,717,358 · App. 10/267,252
Cascaded organic electroluminescent devices with improved voltage stability
Inventors:
Liang-Sheng Liao, Kevin P. Klubek, Dustin L. Comfort, Ching W. Tang
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Oct 9, 2002
Inventors
Liang-Sheng Liao
Kevin P. Klubek
Dustin L. Comfort
Ching W. Tang
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.