Granted Patent
Utility
US 6,385,136 · App. 09/848,974
Electronic timepiece with calendar month-end non-correction device
Inventors:
Haruhiko Higuchi, Takeo Mutoh, Yasuo Kitajima, Hiroyuki Koike
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: May 4, 2001
Inventors
Haruhiko Higuchi
Takeo Mutoh
Yasuo Kitajima
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.