Granted Patent
Utility
US 5,518,533 · App. 08/278,454
Automotive protectant for use with cleaning compositions
Inventor:
Michael W. Howe
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Jul 21, 1994
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.