Patents by Inventor David Anthony Small

David Anthony Small 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: 6449558
    Abstract: A network positioning system (NPS) uses GNSS-like signals transmitted from a GNSS-synchronized network of terrestrially based, low cost positioning-unit devices. These positioning-unit devices are used for the determination of absolute and relative position in satellite obscured environments, thus allowing seamless transition between GNSS and NPS, e.g., outdoors to indoor. Positioning-unit devices are self-integrating, thus allowing effortless integration of positioning-unit devices into both the GNSS and the NPS network.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: September 10, 2002
    Inventor: David Anthony Small