Granted Patent
Utility
US 5,400,441 · App. 08/054,240
Dyed zipper tapes on garment
Inventor:
Hiroshi Yoshida
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Apr 30, 1993
Inventor
Hiroshi Yoshida
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.