Granted Patent
Utility
US 4,868,057 · App. 07/135,909
Laminated structure comprising a plurality of polymeric layers adhered with an adhesive composition
Inventor:
Glenn R. Himes
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Dec 21, 1987
Inventor
Glenn R. Himes
Assignee (at issue)
SHELL OIL 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.