Patents by Inventor Carl W. Drueckhammer

Carl W. Drueckhammer 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: 6301480
    Abstract: A communication system includes mobile units, a network switching center, and service centers to provide a variety of services to mobile units. Using a voice network and a data network, the network switching center establishes a voice/data session between a mobile unit and an appropriate service center. The network switching center maintains a profile table that designates the service center and provides access parameters to establish the voice/data session.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: October 9, 2001
    Assignee: @Track Communications, Inc.
    Inventors: William C. Kennedy, III, Kenneth R. Westerlage, Dale E. Beasley, Carl W. Drueckhammer