Granted Patent
Utility
US 6,069,846 · App. 09/147,108
Electronic clock
Inventor:
Yoichi Nagata
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Oct 5, 1998
Inventor
Yoichi Nagata
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.