Granted Patent
Utility
US 6,478,387 · App. 09/904,996
Heavy duty dual tire assembly
Inventor:
William Earl Rayman
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Jul 13, 2001
Inventor
William Earl Rayman
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.