Granted Patent
Utility
US 4,665,603 · App. 06/845,518
Method and apparatus for forming a row of zigzag coupling elements for slide fasteners
Inventor:
Yasuhiko Matsuda
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Mar 28, 1986
Inventor
Yasuhiko Matsuda
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.