Patents by Inventor Ernest Samuel Cohen

Ernest Samuel Cohen 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).

  • Apparatus and method for number portability call processing
    Patent number: 6130939
    Abstract: An apparatus and method for completing a call between an originating switch and a destination switch in a telecommunications network supporting number portability. The method and apparatus use a ported number list or a routing cache in a network switch or adjunct processor to avoid inefficiencies of QOR and N-1 call processing procedures. The invention includes an originating switch for completing a call between the originating switch and a destination switch, the originating switch including structure for storing a ported number list or routing cache, structure for searching the ported number list or routing cache, and structure for routing a call to the destination switch.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: October 10, 2000
    Assignee: Telcordia Technologies, Inc.
    Inventors: Munir Cochinwala, Ernest Samuel Cohen