Patents by Inventor John B. Roberts

John B. Roberts 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).

  • Heat absorbing pack
    Patent number: 7780713
    Abstract: A pouch includes a mixture of a crystalline substance and liquid that is solid at room temperature (e.g., 70° F.) and melts when in contact with a human body, therein cooling the body.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: August 24, 2010
    Inventor: John B. Roberts