Patents by Inventor Nelson António Silva e Costa

Nelson António Silva e Costa 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: D658548
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: May 1, 2012
    Inventors: Nelson António Silva e Costa, Hugo José Santana Macedo