Patents by Inventor Maria Luisa Freitas Moraes Sarmento Ramalho

Maria Luisa Freitas Moraes Sarmento Ramalho 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).

  • Back rest/head rest
    Patent number: D666017
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: August 28, 2012
    Inventors: Vera Maria Freitas Mayer, Maria Luisa Freitas Moraes Sarmento Ramalho