Granted Patent
Utility
US 6,409,225 · App. 09/476,248
Hose-connector assembly including outer rubber protector tube which covers entire length of inner resin tube, and method of producing the same
Inventor:
Takashi Ito
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Dec 30, 1999
Inventor
Takashi Ito
Assignee (at issue)
TOKAI RUBBER INDUSTRIES, LTD.
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.