Granted Patent
Utility
US 4,961,850 · App. 07/349,524
In-tank fuel filter
Inventor:
John F. Combest
Patented Case
View Patent ↗
Granted: Oct 9, 1990
Filed: May 9, 1989
Inventor
John F. Combest
Assignee (at issue)
Kuss 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.