Granted Patent
Utility
US 5,718,982 · App. 08/686,694
Multilayer laminate film
Inventors:
Hideshi Kawachi, Haruhiko Tanaka
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Jul 26, 1996
Inventors
Hideshi Kawachi
Haruhiko Tanaka
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.