Granted Patent
Utility
US 6,470,526 · App. 09/761,019
Wheel cleaning device
Inventor:
Charles Large
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Jan 16, 2001
Inventor
Charles Large
Assignee (at issue)
The Valvoline Company, division of Ashland, Inc.
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.