Patents by Inventor John R. Jiambalvo

John R. Jiambalvo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4933080
    Abstract: A shower filter is adapted to be installed between a plumbing pipe and a shower head. The filter includes a changeable filter cartridge. A three position valve in the appliance is able to (a) block all flow of water, (b) deliver filtered water, or (c) deliver unfiltered water. An adapter may be used to enable the appliance to receive different types of filter cartridges.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: June 12, 1990
    Assignee: Associated Mills Inc.
    Inventors: Alfons Rundzaitis, Jefferson L. Gentry, John R. Jiambalvo