Granted Patent
Utility
US 4,601,085 · App. 06/561,344
Water-resistant slide fastener stringer
Inventors:
Hiroshi Yoshida, Yoshitoki Tsubokawa
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Dec 14, 1983
Inventors
Hiroshi Yoshida
Yoshitoki Tsubokawa
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.