Patents by Inventor Sudipta Chakrabarti

Sudipta Chakrabarti 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).

  • COMBINE IDENTITY TOKEN
    Publication number: 20090090770
    Abstract: An apparatus and method is provided for using a single portable consumer device for purchase transactions, providing identification, and contacting a law enforcement agency. In one embodiment the present invention provides a portable consumer device comprising a body, a first memory containing financial information on the body, and a second memory containing driver license information on the body.
    Type: Application
    Filed: October 8, 2007
    Publication date: April 9, 2009
    Inventor: Sudipta Chakrabarti