Patents by Inventor Bob L. Guillen

Bob L. Guillen 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: D335090
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: April 27, 1993
    Inventor: Bob L. Guillen