Granted Patent
Utility
US 5,579,738 · App. 08/617,721
Returnless fuel system
Inventors:
Florian Frischmuth, Michael John Cullen
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Apr 1, 1996
Inventors
Florian Frischmuth
Michael John Cullen
Assignee (at issue)
Ford Motor Company
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.