Granted Patent
Utility
US 6,490,230 · App. 08/039,211
Electronic watch with meter function and display means
Inventors:
Masao Sakuyama, Kenji Shimoda, Shinichi Yamada, Kenji Miyasaka, Nobuyuki Uehara, Noritoshi Suzuki
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Apr 14, 1993
Inventors
Masao Sakuyama
Kenji Shimoda
Shinichi Yamada
Kenji Miyasaka
Nobuyuki Uehara
Noritoshi Suzuki
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.