Granted Patent
Utility
US 6,527,396 · App. 09/963,562
Optical device as well as projector unit and rear projector system using the same
Inventors:
Shinji Okamori, Shinsuke Shikama
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Sep 27, 2001
Inventors
Shinji Okamori
Shinsuke Shikama
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.