Patents by Inventor Joseph J. Brennan

Joseph J. Brennan 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).

  • Chemical dispensing systems
    Patent number: 7922982
    Abstract: A chemical dispensing system for a water-filled structure, such as, for example, a swimming pool or a spa, having an interchangeable float adjuster.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: April 12, 2011
    Inventor: Joseph J. Brennan