Granted Patent
Utility
US 4,369,560 · App. 06/288,801
Method of manufacturing slide fasteners
Inventor:
Minoru Ueda
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: Jul 31, 1981
Inventor
Minoru Ueda
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.