Granted Patent
Utility
US 4,381,593 · App. 06/288,939
Method and apparatus for applying top end stops to a fastener stringer chain
Inventors:
Keiichi Yoshieda, Yoshitaka Iimura
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Jul 31, 1981
Inventors
Keiichi Yoshieda
Yoshitaka Iimura
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.