Patents by Inventor Matthew B. Stringham

Matthew B. Stringham 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).

  • Toliet seat urination guard
    Patent number: D638527
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: May 24, 2011
    Inventor: Matthew B. Stringham