Patents by Inventor David H. Gardner

David H. Gardner 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).

  • Heating and cooking apparatus and fuel composition for use therein
    Patent number: 5326379
    Abstract: A fuel composition comprising a non-combustible, substantially heat resistant pervious substrate and an amount of propylene glycol disposed on the substrate sufficient to fill the majority of the surface interstices present in the substrate and an apparatus for providing a heat source suitable for cooking comprising a container having a liquid impervious bottom wall and a peripheral side wall extending generally upward from the bottom wall to define a container mouth, a non-combustible, substantially heat resistant pervious substrate disposed in the container and propylene glycol disposed on the substrate.
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: July 5, 1994
    Inventor: David H. Gardner