Granted Patent
Utility
US 6,501,217 · App. 09/381,648
Anode modification for organic light emitting diodes
Inventors:
Tilman Beierlein, Eliav Haskal, Heike E. Riel, Walter Riess, Paul F. Seidler, Samuel Clagett Strite, Horst Vestweber
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jan 10, 2000
Inventors
Tilman Beierlein
Eliav Haskal
Heike E. Riel
Walter Riess
Paul F. Seidler
Samuel Clagett Strite
Horst Vestweber
Assignee (at issue)
International Business Machines Corporation
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.