Granted Patent
Utility
US 4,463,486 · App. 06/292,340
Method of manufacturing a velvet-type fastener web
Inventor:
Yoshio Matsuda
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Aug 12, 1981
Inventor
Yoshio 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.