Patents by Inventor Alessandro Warth

Alessandro Warth 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 of authenticating a payment account user
    Publication number: 20020116333
    Abstract: In the method of authenticating a payment account user, payment account information indicating the payment account of a user and a purchase amount is received. Then a first authentication scheme is performed to authenticate the user as a valid user of the payment account if the purchase amount is below a predetermined threshold. Or, a second authentication scheme is performed to authenticate the user as a valid user of the payment account if the purchase amount is above the predetermined threshold.
    Type: Application
    Filed: February 20, 2001
    Publication date: August 22, 2002
    Inventors: Joseph A. McDonnell, Mark E. Crowson, Edward R. Weintraub, Alessandro Warth