Granted Patent
Utility
US 4,931,364 · App. 07/190,381
Polyarylate-polyethylene composite laminated structures
Inventor:
Barry L. Dickinson
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: May 5, 1988
Inventor
Barry L. Dickinson
Assignee (at issue)
Amoco 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.