Granted Patent
Utility
US 4,660,258 · App. 06/741,142
Separable slide fastener
Inventor:
Yoshiyuki Horita
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Jun 4, 1985
Inventor
Yoshiyuki Horita
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.