Granted Patent
Utility
US 5,175,910 · App. 07/877,217
Lockable slider for a slide fastener
Inventor:
Hiroshi Mizuno
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: May 1, 1992
Inventor
Hiroshi Mizuno
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.