Granted Patent
Utility
US 4,927,079 · App. 07/253,262
Plural component air spray gun and method
Inventor:
David H. Smith
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Oct 4, 1988
Inventor
David H. Smith
Assignee (at issue)
Binks Manufacturing 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.