Granted Patent
Utility
US 4,579,284 · App. 06/601,489
Spray head for generating a pulsating spray
Inventor:
Don C. Arnold
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Apr 18, 1984
Inventor
Don C. Arnold
Assignee (at issue)
Beatrice Companies, 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.