Granted Patent
Utility
US 6,555,000 · App. 09/822,983
Fuel filter with bypass valve
Inventor:
Steven R. Knight
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Mar 30, 2001
Inventor
Steven R. Knight
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.