Granted Patent
Utility
US 5,290,877 · App. 07/964,821
Information recording medium and adhesive composition therefor
Inventors:
Hideo Yamaoka, Mitsuyuki Kuroiwa, Hirosi Nanbu, Akira Todo
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Oct 22, 1992
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.