Granted Patent
Utility
US 5,172,866 · App. 07/883,881
Multi-function shower head
Inventor:
Irving Ward
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: May 12, 1992
Inventor
Irving Ward
Assignee (at issue)
Interbath, 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.