Granted Patent
Utility
US 5,025,535 · App. 07/476,613
Bottom end stop for slide fastener
Inventor:
Masahiro Kusayama
Patented Case
View Patent ↗
Granted: Jun 25, 1991
Filed: Feb 7, 1990
Inventor
Masahiro Kusayama
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.