Patents by Inventor Juan M. Arechavala

Juan M. Arechavala 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).

  • Continually adjustable frequency antenna
    Patent number: 4214246
    Abstract: An antenna for remote and continuous adjustment within a wide frequency range, by variation of the inductance, and hence the length of a small diameter coil, by means of a slide which short circuits the turns thereof, until a full short circuit is reached.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: July 22, 1980
    Inventor: Juan M. Arechavala