Patents by Inventor William J. Northrup

William J. Northrup 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).

  • Publication number: 20020002053
    Abstract: A system and method for efficiently transmitting geographical location data of mobile units is disclosed. The invention allows less than the complete geographical location data to be transmitted and reported to a locater. Using fixed geographical references, the locater then interpolates the complete geographical location of mobile units from the reported data.
    Type: Application
    Filed: June 28, 2001
    Publication date: January 3, 2002
    Inventors: Ki Y. Nam, Gallin C. Chen, William J. Northrup