Granted Patent
Utility
US 4,227,555 · App. 05/945,566
Woven slide fastener stringer
Inventor:
Masaatsu Ofusa
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Sep 25, 1978
Inventor
Masaatsu Ofusa
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.