Granted Patent
Utility
US 5,244,996 · App. 07/778,208
Hot-melt adhesive
Inventors:
Masaaki Kawasaki, Shuji Minami, Hiroaki Kitani, Junichi Yoshitake
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Dec 18, 1991
Inventors
Masaaki Kawasaki
Shuji Minami
Hiroaki Kitani
Junichi Yoshitake
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.