Granted Patent
Utility
US 4,623,004 · App. 06/805,804
Woven slide fastener stringer
Inventors:
Haruo Matsushima, Yuuji Yamase
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Dec 6, 1985
Inventors
Haruo Matsushima
Yuuji Yamase
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.