Granted Patent
Utility
US 4,894,289 · App. 07/114,594
Laminate and molded article prepared therefrom
Inventors:
Yasuhiko Otawa, Kunihide Hiraoka, Toshiyuki Maeda, Katsuo Okamoto, Noboru Sakamaki, Shizuo Shimizu
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Oct 30, 1987
Inventors
Yasuhiko Otawa
Kunihide Hiraoka
Toshiyuki Maeda
Katsuo Okamoto
Noboru Sakamaki
Shizuo Shimizu
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.