Granted Patent
Utility
US 6,653,664 · App. 10/139,291
Bandgap engineering of tfel devices
Inventor:
Alexey Krasnov
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: May 7, 2002
Inventor
Alexey Krasnov
Assignee (at issue)
Luxell Technologies, 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.