Patents by Inventor Walter Hill Pratt

Walter Hill Pratt 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: 7472919
    Abstract: In one embodiment a detachable tow hook assembly comprises a housing defining a passageway for detachably receiving a locking end portion of a tow hook for use in towing a vehicle. Desirably, the tow hook is inserted and rotated to a locking position for retention in place during towing of a vehicle without requiring fasteners or any retaining pins to retain the tow hook in place. Exemplary configurations for tow hooks, tow hook locking portions and tow hook receiving housings are disclosed.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: January 6, 2009
    Assignee: Daimler Trucks North America LLC
    Inventors: Walter Hill Pratt, Napolyon Isikbay