Patents by Inventor David Senffner

David Senffner 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).

  • Patent number: 5343209
    Abstract: The navigation receiver with coupled-tracking channels is intended for use in radio navigation systems based on trilateration wherein the times of arrival of radio signals transmitted by a plurality of ground- or space-based terminals are measured by a user terminal and utilized by the user terminal in calculating its position and orientation.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: August 30, 1994
    Inventors: James W. Sennott, David Senffner