Granted Patent
Utility
US 5,193,580 · App. 07/880,568
Crash proof solenoid controlled valve with manual override valve
Inventors:
Lloyd G. Wass, Michael R. Baird
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: May 8, 1992
Inventors
Lloyd G. Wass
Michael R. Baird
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.