Granted Patent
Utility
US 4,745,385 · App. 07/085,325
Switching relays
Inventor:
Guglielmo Rossi
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Aug 11, 1987
Inventor
Guglielmo Rossi
Assignee (at issue)
RANCO 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.