Patents by Inventor Patrick Brennen

Patrick Brennen 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).

  • Hat
    Patent number: D518944
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: April 18, 2006
    Inventors: Patrick Brennen, Kevin B. Cron