Granted Patent
Utility
US 5,686,019 · App. 08/728,558
Liquid crystal device and liquid crystal apparatus
Inventor:
Katsutoshi Nakamura
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Oct 9, 1996
Inventor
Katsutoshi Nakamura
Assignee (at issue)
CANON KABUSHIKI KAISHA
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.