Granted Patent
Utility
US 4,498,503 · App. 06/441,397
Method and apparatus for manufacturing woven slide fastener stringers
Inventor:
Masaatsu Ofusa
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Nov 12, 1982
Inventor
Masaatsu Ofusa
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.