Granted Patent
Utility
US 6,333,386 · App. 09/604,581
Rubber composition, hose of low fuel permeation, and electroconductive hose of low fuel permeation
Inventors:
Takahiro Nishiyama, Shinobu Kanbe, Atsuo Miyajima, Kazuhiro Kato
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: Jun 27, 2000
Inventors
Takahiro Nishiyama
Shinobu Kanbe
Atsuo Miyajima
Kazuhiro Kato
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.