Patents by Inventor João Paulo Caldas

João Paulo Caldas 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: D639176
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: June 7, 2011
    Inventor: João Paulo Caldas