Granted Patent
Utility
US 4,933,080 · App. 07/297,094
Housing with replaceable filter cartridge for use with shower head
Inventors:
Alfons Rundzaitis, Jefferson L. Gentry, John R. Jiambalvo
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Jan 13, 1989
Inventors
Alfons Rundzaitis
Jefferson L. Gentry
John R. Jiambalvo
Assignee (at issue)
The Mills Company
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.