Granted Patent
Utility
US 4,911,367 · App. 07/330,153
Electrostatic spray gun
Inventor:
Charles T. Lasley
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Mar 29, 1989
Inventor
Charles T. Lasley
Assignee (at issue)
The DeVilbiss Company
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.