Granted Patent
Utility
US 6,169,589 · App. 09/324,836
Color liquid crystal display
Inventor:
Yasushi Kaneko
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jun 3, 1999
Inventor
Yasushi Kaneko
Assignee (at issue)
CITIZEN WATCH 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.