Patents by Inventor John B. Earl

John B. Earl 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).

  • URINAL FILTER
    Publication number: 20100183694
    Abstract: One exemplary embodiment includes a urinal filter including a foam.
    Type: Application
    Filed: January 21, 2009
    Publication date: July 22, 2010
    Inventors: Robert B. Burke, John B. Earl