Granted Patent
Utility
US 5,945,900 · App. 08/888,299
Electromagnetic contactor
Inventors:
Katsumi Shibata, Takato Hirota, Noriyoshi Machida, Makoto Kawasaki, Etsuya Hiramatsu
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Jul 3, 1997
Inventors
Katsumi Shibata
Takato Hirota
Noriyoshi Machida
Makoto Kawasaki
Etsuya Hiramatsu
Assignee (at issue)
FUJI ELECTRIC 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.