Patents by Inventor David S. Howell

David S. Howell 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: 5203833
    Abstract: A food storage container heated and cooled by conditioned air in a motor vehicle is provided which consists of a housing having a compartment for the placement of the food therein. A structure connected between the compartment of the housing and a conduit line carrying the conditioned air therethrough is for diverting the conditioned air into the compartment of the housing for heating and cooling the food.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: April 20, 1993
    Inventor: David S. Howell