Granted Patent
Utility
US 4,858,447 · App. 07/173,027
Warp-knit tape for hook-and-loop fasteners
Inventor:
Yoshio Matsuda
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Mar 23, 1988
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.