Granted Patent
Utility
US 4,568,022 · App. 06/137,327
Spray nozzle
Inventor:
Warren A. Scrivnor
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Apr 4, 1980
Inventor
Warren A. Scrivnor
Assignee (at issue)
Baltimore Aircoil Company, Inc.
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.