Granted Patent
Utility
US 4,513,913 · App. 06/440,502
Reversible airless spray nozzle
Inventor:
David H. Smith
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Nov 10, 1982
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.