Patents by Inventor Marco Antonio Portillo

Marco Antonio Portillo 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).

  • Combination manifold and filter
    Patent number: D663828
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: July 17, 2012
    Inventor: Marco Antonio Portillo
  • Circular in-line air filter
    Patent number: D681678
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: May 7, 2013
    Inventor: Marco Antonio Portillo