Granted Patent
Utility
US 5,003,002 · App. 07/393,197
Blends of amorphous nylon and ethylene vinyl alcohol copolymers and laminates and containers made therefrom
Inventor:
David E. Ofstein
Patented Case
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Granted: Mar 26, 1991
Filed: Aug 14, 1989
Inventor
David E. Ofstein
Assignee (at issue)
Rampart Packaging Inc.
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.