Granted Patent
Utility
US 5,113,831 · App. 07/457,962
Fuel pressure regulator
Inventor:
Barry Grant
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Dec 27, 1989
Inventor
Barry Grant
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.