Granted Patent
Utility
US 6,811,809 · App. 10/164,418
Organic electroluminescent device and method for fabricating same
Inventors:
Koji Utsugi, Masashi Tamegai
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jun 10, 2002
Inventors
Koji Utsugi
Masashi Tamegai
Assignee (at issue)
SAMSUNG DISPLAY 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.