Granted Patent
Utility
US 4,582,294 · App. 06/718,767
Three-way solenoid valve
Inventor:
Richard N. Fargo
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Apr 1, 1985
Inventor
Richard N. Fargo
Assignee (at issue)
Honeywell Limited
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.