Patents by Inventor William R. Hereford

William R. Hereford 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).

  • Stringing block
    Patent number: 5064172
    Abstract: A stringing block adapted to be mounted on a utility pole having at least one crossarm. The stringing block supports a cable on the crossarm while the cable is drawn into tension and can be used to position the relatively taut cable into contact with a grooved insulator.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: November 12, 1991
    Inventor: William R. Hereford