Patents by Inventor Georg Ratayczak

Georg Ratayczak 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 for securing access to a remote system
    Patent number: 6259909
    Abstract: Method for secure user access to a remote system using a communications device. Access to the system is released only after the input of valid code words via independent communications devices. One of the communications devices may be a data processing unit and the second communications device may be a mobile telephone.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: July 10, 2001
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Georg Ratayczak, Norbert Niebert