Granted Patent
Utility
US 6,477,114 · App. 09/380,155
Electronic timepiece with calendar device
Inventors:
Takeo Mutoh, Yasuo Kitajima, Haruhiko Higuchi, Hiroyuki Koike
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Aug 26, 1999
Inventors
Takeo Mutoh
Yasuo Kitajima
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.