Granted Patent
Utility
US 6,608,448 · App. 09/773,397
Organic light emitting device
Inventor:
Willem Boer
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jan 31, 2001
Inventor
Willem Boer
Assignee (at issue)
PLANAR SYSTEMS, INC.
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.