Granted Patent
Utility
US 5,188,875 · App. 07/571,874
Information recording medium and adhesive composition therefor
Inventors:
Hideo Yamaoka, Mitsuyuki Kuroiwa, Hirosi Nanbu, Akira Todo
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Aug 24, 1990
Inventors
Hideo Yamaoka
Mitsuyuki Kuroiwa
Hirosi Nanbu
Akira Todo
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.