Granted Patent
Utility
US 4,888,839 · App. 07/281,284
Method and apparatus for treating elongate textile materials
Inventor:
Hiroshi Yoshida
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Dec 8, 1988
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.