Patents by Inventor Dickie D. Hoffman

Dickie D. Hoffman 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).

  • Steerable trailer for a small vehicle
    Patent number: 4042255
    Abstract: A trailer that is closely coupled to the rear of a passenger vehicle and includes a steering mechanism for automatically positioning the trailer wheels in a locked, straight-ahead position when the vehicle is traveling forwardly and in a steerable mode when the vehicle is moving rearwardly.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: August 16, 1977
    Assignee: General Motors Corporation
    Inventors: David F. Drewek, Dickie D. Hoffman