Patents by Inventor Darryl B Cass

Darryl B Cass 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: D555330
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: November 20, 2007
    Inventors: Michelle V Cass, Darryl B Cass