Granted Patent
Utility
US 4,628,962 · App. 06/816,555
Tub-shower diverter valve
Inventor:
John J. Pezzarossi
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Jan 6, 1986
Inventor
John J. Pezzarossi
Assignee (at issue)
United States Brass Corporation
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.