Patents by Inventor Andrea G. Blum

Andrea G. Blum 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).

  • Method and apparatus for fault tolerant call processing
    Patent number: 5974114
    Abstract: A method and apparatus for processing call data. A first server in active mode replicates call data to a second server in standby mode. The first server is monitored for a fault condition by the second server, as well as other network devices. If a fault condition is detected, the first server is switched to standby mode and the second server to active mode.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: October 26, 1999
    Assignee: AT&T Corp
    Inventors: Andrea G. Blum, Paul A. Potochniak