Granted Patent
Utility
US 5,776,554 · App. 08/775,974
Electrostatic powder coating system and method
Inventors:
Christopher R. Merritt, Robert M. Thorn
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jan 3, 1997
Inventors
Christopher R. Merritt
Robert M. Thorn
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.