Granted Patent
Utility
US 6,557,323 · App. 10/025,666
Wipe down brush system for overhead stretch wrapper and method of operating the same
Inventor:
Michael Frey
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Dec 26, 2001
Inventor
Michael Frey
Assignee (at issue)
ILLINOIS TOOL WORKS 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.