Granted Patent
Utility
US 6,534,578 · App. 09/627,116
Rubber compositions, rubber-resin laminates and fluid-impermeable hoses
Inventors:
Eiichi Daikai, Koji Senda
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jul 27, 2000
Inventors
Eiichi Daikai
Koji Senda
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.