Patents by Inventor Vinay M. Singh

Vinay M. Singh 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).

  • Global subscriber numbering translation system for controlling international call routing
    Patent number: 6069945
    Abstract: A called number processing system transforms called/dialed telephone numbers into a unique global routing number. In the process called numbers are analyzed and based on the called/dialed number a Regional Administration Code is allocated and the dialed global number is translated into a global subscriber number. The global subscriber number is translated into a local subscriber number at the last international processing point.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: May 30, 2000
    Assignee: AT+T Corp
    Inventors: John Carl Brown, Fen-Chung Kung, Vinay M. Singh, Cherry Tom