Patents by Inventor Robert E. Villers

Robert E. Villers 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: D322922
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: January 7, 1992
    Inventors: Larry B. Swanson, Robert E. Villers