Patents by Inventor A. B. Marlene Bergstrom

A. B. Marlene Bergstrom 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).

  • Ground penetrating radar with audible output
    Patent number: 6617996
    Abstract: A ground penetrating radar system including a processor for generating audible output signals having discrete frequency components representative of the depth of buried targets. The amplitude of the audible frequency components is representative of the size or mass of the target.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: September 9, 2003
    Assignee: Mala Geoscience AB
    Inventors: Bernth A. T. Johansson, Johan Gustaf Friborg, A. B. Marlene Bergstrom
  • Ground penetrating radar with audible output
    Publication number: 20020196177
    Abstract: A ground penetrating radar system including a processor for generating audible output signals having discrete frequency components representative of the depth of buried targets. The amplitude of the audible frequency components is representative of the size or mass of the target.
    Type: Application
    Filed: June 14, 2001
    Publication date: December 26, 2002
    Inventors: Bernth A. T. Johansson, Johan Gustaf Friborg, A. B. Marlene Bergstrom