Patents by Inventor Dave R. Halsey

Dave R. Halsey 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: 4240766
    Abstract: A moveable device used for delineating traffic lanes, adapted to be selectively placed into permanent dug holes for channeling vehicular traffic. The device comprises a bendable tubular post of polyethylene fastened to a rigid conical base. The base has a downward circular anchoring extension which can be inserted into a dug hole. The base has a very low above-ground profile and can be impacted by high speed vehicles without being damaged or pulled off the ground.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: December 23, 1980
    Inventors: William P. Smith, Dave R. Halsey