Granted Patent
Utility
US 4,227,162 · App. 06/016,704
Electromagnet relay with specific housing structure
Inventors:
Teizo Fujita, Toyokazu Ikebata, Harumi Fujisato
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Feb 28, 1979
Inventors
Teizo Fujita
Toyokazu Ikebata
Harumi Fujisato
Assignee (at issue)
Izumi Denki Corporation
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.