Granted Patent
Utility
US 6,046,964 · App. 09/226,828
Electronic timepiece provided with a calendar
Inventors:
Haruhiko Higuchi, Hiroyuki Koike
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jan 7, 1999
Inventors
Haruhiko Higuchi
Hiroyuki Koike
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.