Patents by Inventor Gustavo Alberto Castillo

Gustavo Alberto Castillo 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).

  • LOTTERY MARKING APPARATUS
    Publication number: 20150130131
    Abstract: The present invention relates generally to apparatuses to facilitate the playing of lottery games. More specifically, the present invention relates to apparatuses for marking or puncturing lottery play slips.
    Type: Application
    Filed: November 11, 2014
    Publication date: May 14, 2015
    Inventors: Gustavo Alberto Castillo, William Gil de Montes