Granted Patent
Utility
US 5,300,352 · App. 07/897,091
Laminate
Inventor:
Shiro Honma
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Jun 11, 1992
Inventor
Shiro Honma
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.