Patents by Inventor Leslie S. Stone

Leslie S. Stone 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: 4653954
    Abstract: Disclosed is apparatus for moving laterally a traffic control barrier having a plurality of pivotally linked sections. The transfer vehicle includes means for picking up the sections on one side and depositing them on the other side as it moves along the roadway. The vehicle has front and rear guide drums around which the sections are moved through the vehicle in an S-shaped path and there are means for varying the space between the axes of the guide drums to compensate for disparity in lengths of the lane dividers around a curved roadway.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: March 31, 1987
    Inventors: William L. Booth, Leslie S. Stone
  • Patent number: 4474503
    Abstract: Traffic control apparatus employs an elongated barrier separating adjacent lanes of a highway. The barrier consists of a series of barrier sections hingedly secured together. A self propelled vehicle engages the barrier sections seriatim, elevates them and guides them within the vehicle along a generally sinusoidal path from one lane divider to another and discharges them.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: October 2, 1984
    Inventors: William L. Booth, Leslie S. Stone