Patents by Inventor Ralph A. Vigil

Ralph A. Vigil 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: D362539
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: September 26, 1995
    Inventor: Ralph A. Vigil