Granted Patent
Utility
US 5,874,877 · App. 08/902,582
Circuit breaker
Inventors:
Yoshiaki Kawashima, Kazuhiko Satoh, Tadahisa Aoki, Makoto Ogasawara
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jul 29, 1997
Inventors
Yoshiaki Kawashima
Kazuhiko Satoh
Tadahisa Aoki
Makoto Ogasawara
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.