Granted Patent
Utility
US 5,844,533 · App. 08/892,482
Gray scale liquid crystal display
Inventors:
Minoru Usui, Kouji Yamagishi, Ken-ichiro Yoshino, Hideki Mori, Tomohiro Mogi
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jul 14, 1997
Inventors
Minoru Usui
Kouji Yamagishi
Ken-ichiro Yoshino
Hideki Mori
Tomohiro Mogi
Assignee (at issue)
CASIO COMPUTER CO., 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.