Granted Patent
Utility
US 5,362,572 · App. 08/020,164
Two-layer thermoplastic elastomer sheet
Inventors:
Shunichi Hamada, Katsuyoshi Yonekura
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Feb 19, 1993
Inventors
Shunichi Hamada
Katsuyoshi Yonekura
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.