Granted Patent
Utility
US 6,745,796 · App. 10/376,115
Hydrogen fuel transporting hose for fuel-cell powered vehicle
Inventors:
Ayumu Ikemoto, Ryo Hirai
Patented Case
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Granted: Jun 8, 2004
Filed: Feb 28, 2003
Inventors
Ayumu Ikemoto
Ryo Hirai
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.