Granted Patent
Utility
US 6,563,263 · App. 09/388,546
Multi-colored organic EL device with protective layer
Inventors:
Koji Kawaguchi, Toshiyuki Kanno
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Sep 2, 1999
Inventors
Koji Kawaguchi
Toshiyuki Kanno
Assignee (at issue)
FUJI ELECTRIC CO., LTD.
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.