Granted Patent
Utility
US 6,322,011 · App. 09/525,141
Electrostatic coating system and dual lip bell cup therefor
Inventor:
Harold Allen
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Mar 14, 2000
Inventor
Harold Allen
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.