Granted Patent
Utility
US 6,386,237 · App. 09/913,205
Abrasive material transport hose with wear detecting sensors
Inventors:
Ronald Marcel Chevalier, Andre Georges Cook, Thomas Goodsell Hutchins
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Aug 9, 2001
Inventors
Ronald Marcel Chevalier
Andre Georges Cook
Thomas Goodsell Hutchins
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.