Granted Patent
Utility
US 6,818,071 · App. 10/199,686
Method and apparatus for cleaning a roller cover
Inventor:
Ronnald B. King
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Jul 18, 2002
Inventor
Ronnald B. King
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.