Granted Patent
Utility
US 5,275,848 · App. 07/769,818
Process for preparing a laminate of metal and a polyolefin resin
Inventors:
Kazunori Mito, Tatsuo Saito, Naoshi Ishimaru
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Oct 2, 1991
Inventors
Kazunori Mito
Tatsuo Saito
Naoshi Ishimaru
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.