Granted Patent
Utility
US 6,074,717 · App. 08/901,972
Flexible hose having an aluminum barrier layer to prevent ingestion of oxygen
Inventors:
Kent H. Little, John A. Barnes
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Jul 29, 1997
Inventors
Kent H. Little
John A. Barnes
Assignee (at issue)
Dayco Products, LLC
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.