Patents by Inventor Daniel J Forest

Daniel J Forest 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).

  • Radio frequency antenna
    Patent number: 6366249
    Abstract: A vehicle antenna comprising: an antenna structure having an input impedance, ZA, equal to a sum of a resistance and an active impedance; a circuit element having high circuit element impedance at an operating frequency range of the antenna, wherein the circuit element is coupled in parallel with the input impedance.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: April 2, 2002
    Assignees: General Motors Corporation, Delphi Technologies, Inc.
    Inventors: Dennis P Jones, Daniel J Forest