Patents by Inventor Robert E. Dorf

Robert E. Dorf 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).

  • Multifunctional card system
    Patent number: 6189787
    Abstract: Disclosed is a multifunction card system which provides a multifunction card capable of serving as a prepaid phone card, a debit card, a loyalty card, and a medical information card. Each card has an identification number comprising a bank identification number which assists in establishing communications links. The card system can be accessed from any existing point-of-sale (POS) device. The POS device treats the card as a credit or debit card and routes transaction data to a processing hub using the banking system. The processing hub coordinates the various databases corresponding to the various functions of the card.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: February 20, 2001
    Inventor: Robert E. Dorf
  • Multifunction card system
    Patent number: 6000608
    Abstract: Disclosed is a multifunction card system which provides a multifunction card capable of serving as a prepaid phone card, a debit card, a loyalty card, and a medical information card. Each card has an identification number comprising a bank identification number which assists in establishing communications links. The card system can be accessed from any existing point-of-sale (POS) device. The POS device treats the card as a credit or debit card and routes transaction data to a processing hub using the banking system. The processing hub coordinates the various databases corresponding to the various functions of the card.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: December 14, 1999
    Inventor: Robert E. Dorf