Patents by Inventor James H. Langdon

James H. Langdon 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).

  • Spare tire locking device
    Patent number: 5211043
    Abstract: An elongate cylindrical body includes a forward resiliently tipped conical end arranged for projection into a socket portion of a locking structure of a pickup truck, wherein the cylindrical body is arranged for jacking relative to the rear bumper of the vehicle to prevent unauthorized access to the jacking structure permitting release of an associated spare tire.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: May 18, 1993
    Inventor: James H. Langdon