Patents by Inventor Dennis W. Preston

Dennis W. Preston 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).

  • Totally adjustable campfire cooking grill
    Patent number: 4538589
    Abstract: This cooking grill assembly enables full rotation of a grill portion, which is mounted to a sleeve, and the sleeve is also elevatable for bringing food close to the fire, or raising it so as only to keep it warm. The sleeve is also removable for safely taking the grill portion and cooked food away from the fire.
    Type: Grant
    Filed: July 18, 1984
    Date of Patent: September 3, 1985
    Inventor: Dennis W. Preston