Granted Patent
Utility
US 5,362,389 · App. 07/888,688
Fuel filter assembly with reversible element
Inventors:
Steven D. Hardison, Walter H. Stone
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: May 22, 1992
Inventors
Steven D. Hardison
Walter H. Stone
Assignee (at issue)
Parker-Hannifin Corporation
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.