Patents by Inventor David Grimberg

David Grimberg 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).

  • Broad-band small-size radio-frequency antenna system
    Patent number: 4396920
    Abstract: A broad-band, small-size radio-frequency antenna system includes a transmission line antenna feeding a monopole antenna, the antenna system exploiting the opposite narrow-band characteristics of the above antennas so as to complement each other and to produce an antenna system of broad-band monopole antenna characteristics.
    Type: Grant
    Filed: July 23, 1980
    Date of Patent: August 2, 1983
    Inventors: David Grimberg, Yoram Kol