Patents by Inventor Chandra Balasubrmanian

Chandra Balasubrmanian 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).

  • DYNAMIC PIN PAD FOR CREDIT/DEBIT/ OTHER ELECTRONIC TRANSACTIONS
    Publication number: 20110288965
    Abstract: A method is provided for authenticating debit card transactions engaged in by a cardholder on a communications network.
    Type: Application
    Filed: August 1, 2011
    Publication date: November 24, 2011
    Inventors: John R. Lazarro, Michael A. Keresman, III, Chandra Balasubrmanian, Francis M. Sherwin