Granted Patent
Utility
US 6,797,129 · App. 10/161,005
Organic light-emitting device structure using metal cathode sputtering
Inventors:
Pranab K. Raychaudhuri, Joseph K. Madathil
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Jun 3, 2002
Inventors
Pranab K. Raychaudhuri
Joseph K. Madathil
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.