Patents by Inventor C. Quach

C. Quach 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).

  • TRIPLE BAND GPS TRAP-LOADED INVERTED L ANTENNA ARRAY
    Publication number: 20040233106
    Abstract: The antenna includes four elements excited with equal amplitudes but with a relative phase difference of 0°, −90°, −180°, and −270°. Each element includes a vertical and horizontal portion. An RF trap filter is located within the horizontal portion so that the antenna provides good gain coverage at all three frequency bands of a modernized global positioning system.
    Type: Application
    Filed: April 17, 2003
    Publication date: November 25, 2004
    Inventors: B. Rama Rao, Michael Smolinski, C. Quach, Eddie N. Rosario