Patents by Inventor Stanley J. Hallett

Stanley J. Hallett 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).

  • Turn controller for suspended personal transport vehicle
    Patent number: 5060575
    Abstract: An overhead suspended track mounted vehicle guidance system having an active on board station selection system and a passive non switching track. The slotted track includes an interiorly depending turn vane for guiding the guide wheel of the vehicle mounted guidance system. The system includes provision for fail safe operation wherein a mechanical interlock automatically assures next station selection in the event of guidance system failure.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: October 29, 1991
    Assignee: Pathfinder Systems, Inc.
    Inventors: Stanley J. Hallett, Thomas E. Hallett