Patents by Inventor Eugen Rippenstein

Eugen Rippenstein 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).

  • Digital communication system with transmission servers
    Patent number: 5396552
    Abstract: Digital communication systems cover a wide range of applications with the provision of features. However, new features must be added for specific application areas. One such specific application area is trading with shares, currency, raw materials, etc.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: March 7, 1995
    Assignee: Siemens Aktiengesellschaft
    Inventors: Alfred Jahn, Teodor Kremer, Gunther Weisigk, Eugen Rippenstein