Granted Patent
Utility
US 6,427,740 · App. 09/503,084
Protective coating for the tire sidewalls
Inventor:
Koji Hiramatsu
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Feb 14, 2000
Inventor
Koji Hiramatsu
Assignee (at issue)
TOYO TIRE & RUBBER CO., 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.