Granted Patent
Utility
US 5,589,241 · App. 07/990,497
Fuel tank having an integrallly molded permeation barrier
Inventors:
Ernest D. Stiles, Dale L. Hartsock
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Dec 14, 1992
Inventors
Ernest D. Stiles
Dale L. Hartsock
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.