Patents by Inventor Francisco Javier del Castillo

Francisco Javier del Castillo 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: 6539207
    Abstract: A grounded, shielded holder for a radio frequency communications card installed in a terminal used in a wireless network includes a built-in antenna for transmitting and receiving radio frequency signals to and from the card. The antenna is formed from the material of the holder itself.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: March 25, 2003
    Assignee: Symbol Technologies, Inc.
    Inventors: Francisco Javier del Castillo, Eduard M. Kogan