Granted Patent
Utility
US 6,133,974 · App. 08/912,476
Liquid crystal display with two areas of liquid crystal with orthogonal initial orientations
Inventor:
Toshiya Ishii
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Aug 18, 1997
Inventor
Toshiya Ishii
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.