Granted Patent
Utility
US 5,527,622 · App. 08/296,167
Packaging laminate material
Inventors:
Eiichi Kato, Eiji Takahashi, Hiroshi Kondo, Hiroji Niimi, Takashi Hiraoka, Masayuki Sakai, Masaki Kohsaka
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Aug 29, 1994
Inventors
Eiichi Kato
Eiji Takahashi
Hiroshi Kondo
Hiroji Niimi
Takashi Hiraoka
Masayuki Sakai
Masaki Kohsaka
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
NIPPON PAPER INDUSTRIES, CO., 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.