Granted Patent
Utility
US 4,932,092 · App. 07/401,821
Process and apparatus for continuous dyeing of elongate textile material
Inventor:
Hiroshi Yoshida
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Sep 1, 1989
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.