Patents by Inventor Manuel Preciado Contreras

Manuel Preciado Contreras 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: D581335
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: November 25, 2008
    Inventor: Manuel Preciado Contreras