Granted Patent
Utility
US 5,367,758 · App. 08/081,103
Method for manufacturing slide fastener coupling elements
Inventors:
Koitsu Morioka, Yasuhiko Matsuda
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Jun 25, 1993
Inventors
Koitsu Morioka
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.