Patents by Inventor Tess Richard Cowell

Tess Richard Cowell 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: D423143
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: April 18, 2000
    Inventor: Tess Richard Cowell