Granted Patent
Utility
US 4,934,603 · App. 07/330,152
Hand held electrostatic spray gun
Inventor:
Charles T. Lasley
Patented Case
View Patent ↗
Granted: Jun 19, 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.