Granted Patent
Utility
US 5,263,232 · App. 07/960,879
Cord stopper
Inventor:
Hiroshi Matoba
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Oct 14, 1992
Inventor
Hiroshi Matoba
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.