Patents by Inventor Ellsworth Sullivan

Ellsworth Sullivan 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).

  • Support cushion
    Patent number: D616238
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: May 25, 2010
    Inventor: Ellsworth Sullivan