Granted Patent
Utility
US 4,728,039 · App. 06/939,357
Paint spray gun nozzle assembly
Inventors:
Myron J. Johnson, Robert L. Maggio
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Dec 8, 1986
Inventors
Myron J. Johnson
Robert L. Maggio
Assignee (at issue)
Stewart Warner Corporation
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.