Granted Patent
Utility
US 4,678,013 · App. 06/656,774
Woven slide fastener
Inventors:
Masaatsu Ofusa, Toshio Ishihama
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Oct 1, 1984
Inventors
Masaatsu Ofusa
Toshio Ishihama
Assignee (at issue)
Yoshida Kogyo K.K.
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.