Granted Patent
Utility
US 6,656,611 · App. 09/910,066
Structure-defining material for OLEDs
Inventors:
Elizabeth Tai, Matthias Stoessel
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jul 20, 2001
Inventors
Elizabeth Tai
Matthias Stoessel
Assignee (at issue)
OSRAM Opto Semiconductors GmbH
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.