Granted Patent
Utility
US 6,715,880 · App. 10/187,607
Projector device comprising a rod integrator having at least one notch or a protruded portion
Inventor:
Eisaku Shouji
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jul 3, 2002
Inventor
Eisaku Shouji
Assignee (at issue)
NEC Viewtechnology, 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.