Patents by Inventor David Stine

David Stine 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).

  • Publication number: 20050023797
    Abstract: A fifth wheel mounting frame can be used to convert a conventional vehicle having a fifth wheel, such as the semi-tractor, into a tow truck. The fifth wheel mounting frame advantageously mounts to the tow vehicle's fifth wheel assembly to provide stability and other advantages. Additionally, various coupling members having selectably adjustable lengths and having various coupling mechanisms are used for variable placement of the coupling mechanisms and coupling members to the frame of the fifth wheel vehicle to accommodate such things as obstructions found on the vehicle frame.
    Type: Application
    Filed: July 31, 2003
    Publication date: February 3, 2005
    Applicant: Zacklift International, Inc.
    Inventors: Stanley Zackovich, David Stine