Patents by Inventor Joe W. Chapman

Joe W. Chapman 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: 3937516
    Abstract: An open ended extension compartment is fitted to the rear end of a vehicle having a rear door frame by first releasably securing a rigid mounting ring in the vehicle door frame and then securing the periphery of the open end of the compartment to the mounting ring. The vehicle door remains hinged to the vehicle and may be employed as an access door for the interior of the compartment.
    Type: Grant
    Filed: November 16, 1973
    Date of Patent: February 10, 1976
    Inventor: Joe W. Chapman