Granted Patent
Utility
US 4,987,658 · App. 07/480,917
Slide fastener
Inventor:
Yoshiyuki Horita
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Feb 16, 1990
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.