Granted Patent
Utility
US 4,825,835 · App. 07/098,985
Fuel pressure regulator
Inventor:
Kevin R. Deweerdt
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Sep 21, 1987
Inventor
Kevin R. Deweerdt
Assignee (at issue)
Sharon Manufacturing Co., Inc.
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.