Patents by Inventor William R. Vivian

William R. Vivian 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).

  • Plastic fence posts and enclosures
    Patent number: 4070007
    Abstract: Versatile fence posts are provided with improved wire engaging lugs. These wire engaging lugs permit easy assembly of electric wire fence and can also be used for line fence, with barbed wire, or with woven wire fabric.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: January 24, 1978
    Assignee: United States Steel Corporation
    Inventors: Dale R. Minor, Byron W. Rose, William R. Vivian