Granted Patent
Utility
US 5,039,019 · App. 07/564,760
Indirect charging electrostatic coating apparatus
Inventors:
Richard Weinstein, Kenneth J. Coeling
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Aug 1, 1990
Inventors
Richard Weinstein
Kenneth J. Coeling
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.