Patents by Inventor Gregory T. Fox

Gregory T. Fox 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).

  • Identification to a public safety answering point of the location of an emergency caller served by a PBX
    Patent number: 7035381
    Abstract: A method provides to the attendant at a public safety answering point information relating to the location of a telephone which is the source of a call to an emergency number in one or more campuses served by one or more private business exchanges (PBXs). The PBX(s) produce information relating to the source and destination numbers of each call. The destination number is applied to a database to identify emergency calls, and the source number is applied to a second database to identify its location.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: April 25, 2006
    Assignee: Lockheed Martin Corporation
    Inventors: Christopher J. D'Ascenzo, Gregory T. Fox, Mark Blattner, John Surry