Granted Patent
Utility
US 5,365,641 · App. 08/009,678
Cord stopper
Inventors:
Hirokazu Watanabe, Akishige Utazu
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Jan 27, 1993
Inventors
Hirokazu Watanabe
Akishige Utazu
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.