Granted Patent
Utility
US 5,567,247 · App. 08/514,245
Method for cleaning outdoor painted/artificially stained surface
Inventors:
Charles L. Hawes, Mark Thompson
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Aug 11, 1995
Inventors
Charles L. Hawes
Mark Thompson
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.