Granted Patent
Utility
US 4,308,898 · App. 06/132,290
Slide fastener tape
Inventors:
Yoshiharu Yamaguchi, Mitsuo Horikawa
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Mar 20, 1980
Inventors
Yoshiharu Yamaguchi
Mitsuo Horikawa
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.