Patents by Inventor Dennis C. Chang

Dennis C. Chang 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).

  • Interface for a presentation system
    Publication number: 20040014013
    Abstract: A computerized learning system implements an electronic learning environment over a communications network. A client system can access an interactive presentation from a server. A delivery system can be used to deliver the interactive presentation from the server viewable by a user for a smooth presentation.
    Type: Application
    Filed: November 1, 2002
    Publication date: January 22, 2004
    Applicant: Telecommunications Research Associates
    Inventors: Michael E. Diesel, Peter J. Isermann, Richard T. Beck, Shane W. Hill, Jeffrey L. Knight, Dennis C. Chang, David W. Lucas
  • System for accelerating delivery of electronic presentations
    Publication number: 20040010629
    Abstract: A computerized learning system implements an electronic learning environment over a communications network. A client system can access an interactive presentation from a server. A delivery system can be used to deliver the interactive presentation from the server viewable by a user for a smooth presentation.
    Type: Application
    Filed: November 1, 2002
    Publication date: January 15, 2004
    Applicant: Telecommunications Research Associates
    Inventors: Michael E. Diesel, Peter J. Isermann, Richard T. Beck, Shane W. Hill, Jeffrey L. Knight, Dennis C. Chang, David W. Lucas
  • Computerized learning system
    Publication number: 20030211447
    Abstract: A computerized learning system implements an electronic learning environment over a communications network. A client system can access an interactive presentation from a server. A delivery system can be used to deliver the interactive presentation from the server viewable by a user for a smooth presentation.
    Type: Application
    Filed: November 1, 2002
    Publication date: November 13, 2003
    Applicant: Telecommunications Research Associates
    Inventors: Michael E. Diesel, Peter J. Isermann, Richard T. Beck, Shane W. Hill, Jeffrey L. Knight, Dennis C. Chang, David W. Lucas