Granted Patent
Utility
US 6,667,567 · App. 09/808,007
Light source unit
Inventor:
Fumihiko Fujishiro
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Mar 15, 2001
Inventor
Fumihiko Fujishiro
Assignee (at issue)
NEC LCD Technologies, 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.