Patents by Inventor Luis M. Romero-Vargas

Luis M. Romero-Vargas 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: 5513808
    Abstract: This invention refers to improvements to thermoelectrical insulation for high temperatures and electric currents manufactured from amorphous natural graphite, and more specifically to a procedure that consists of the grinding, mixing and classifying by particle size the raw graphite previously selected on the basis of its components of carbon-ash, from which the final product is obtained.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: May 7, 1996
    Inventor: Luis M. Romero-Vargas