Granted Patent
Utility
US 6,602,565 · App. 09/369,357
Method of producing fuel hose and fuel hose obtained thereby
Inventors:
Kazutaka Katayama, Hiroaki Ito, Takahiro Nishiyama, Koyo Murakami, Tomonori Hayakawa
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Aug 6, 1999
Inventors
Kazutaka Katayama
Hiroaki Ito
Takahiro Nishiyama
Koyo Murakami
Tomonori Hayakawa
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.