Granted Patent
Utility
US 6,715,889 · App. 10/647,245
Projection type display apparatus
Inventors:
Ryo Nishima, Morihiko Ota
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Aug 26, 2003
Inventors
Ryo Nishima
Morihiko Ota
Assignee (at issue)
Victor Company of Japan, 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.