Patents by Inventor Howard Sprouse

Howard Sprouse 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).

  • PERMEABLE REACTIVE WEIR
    Publication number: 20150321927
    Abstract: A permeable reactive weir having at least one outer wall which defines a chamber that holds reactive filter media.
    Type: Application
    Filed: May 12, 2014
    Publication date: November 12, 2015
    Inventors: ERICK MCWAYNE, Howard Sprouse