Patents by Inventor Douglas B. Richardson

Douglas B. Richardson 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: 5214757
    Abstract: An automated, fully transportable mapping system utilizes position information gathered from a Global Positioning Satellite (GPS) capture program to create new maps or annotate existing maps contained in a Geographic Information System (GIS) database in real time. In addition, the present invention displays position information captured by GPS in real-time, enabling users to track the path on which they are travelling. Attributes related to the position information may also be entered in real time, and are stored in a file for subsequent inclusion in a GIS database.
    Type: Grant
    Filed: September 29, 1992
    Date of Patent: May 25, 1993
    Assignee: GeoResearch, Inc.
    Inventors: Thad Mauney, Aglaia C. F. Kong, Douglas B. Richardson