Granted Patent
Utility
US 5,934,778 · App. 09/124,411
Optical system for liquid crystal projector
Inventor:
Yukinori Shioya
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Jul 29, 1998
Inventor
Yukinori Shioya
Assignee (at issue)
NEC 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.