Patents by Inventor Ravindra T. Masand

Ravindra T. Masand 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).

  • Comprehensive automatic directory assistance apparatus and method thereof
    Patent number: 4608460
    Abstract: A comprehensive automatic directory assistance apparatus includes a means for receiving information from a caller via a specified number of DTMF signals, means for identifying another subscriber from the signals, means for vocally conveying information relating to the other subscriber to the caller and means, selectable by said caller, for connecting the caller with the other subscriber.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: August 26, 1986
    Assignee: ITT Corporation
    Inventors: Nicholas J. R. Carter, Walter Guilarte, Ravindra T. Masand, Terrance Martin, Francisco A. Middleton, Santanu Das