Patents by Inventor Stephan J. Zitnik

Stephan J. Zitnik 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).

  • Non-IMS Rich communication suite
    Patent number: 8856356
    Abstract: This invention relates to telecommunications, and in particular, to a Rich Communication Suite (RCS) and RCS-e (“e” for enhanced) messaging infrastructure within a network without the need to deploy an IP Multimedia Subsystem (IMS) core within the network.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: October 7, 2014
    Assignee: Interop Technologies, LLC
    Inventors: Stephan J. Zitnik, Steven D. Aubin, Roy Benton Rigas, Joshua J Wigginton