Granted Patent
Utility
US 5,059,487 · App. 07/647,972
Hot-melt adhesive composition
Inventors:
Tsuneaki Muro, Masami Takeda
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Jan 30, 1991
Inventors
Tsuneaki Muro
Masami Takeda
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.