Patents Assigned to Douglas W. Hevenor
  • Truck spoiler system
    Patent number: 5236242
    Abstract: A tail gate of a truck having a body including a transport bed and spaced side walls is selectively alternatively positionable between its normal location and an alternate location. In the alternate location the tail gate is supported and elevated relative to the transport bed and functions as a spoiler affecting air flow during movement of the truck.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: August 17, 1993
    Assignee: Douglas W. Hevenor
    Inventor: Ronald D. Seeman