Granted Patent
Utility
US 4,497,444 · App. 06/437,509
Shower head
Inventor:
Don C. Arnold
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Oct 28, 1982
Inventor
Don C. Arnold
Assignee (at issue)
Beatrice Foods Co.
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.