Granted Patent
Utility
US 5,660,641 · App. 08/460,848
Method for removing soils from a painted automobile surface
Inventor:
Michael W. Howe
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Jun 5, 1995
Inventor
Michael W. Howe
Assignee (at issue)
Armor All Products Corporation
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.