Patents by Inventor Stephan C. Lett

Stephan C. Lett 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).

  • Spoiler for flatback vehicles
    Patent number: 4309053
    Abstract: A device to be mounted on the back of a flat back vehicle for directing the air flow from across the top of the vehicle downwardly over the back of the vehicle thus preventing the formation of the usual vacuum to the rear of the vehicle.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: January 5, 1982
    Inventor: Stephan C. Lett