Patents by Inventor Michael Andreas Friedrich

Michael Andreas Friedrich 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).

  • Security service for an electronic marketplace
    Patent number: 7178024
    Abstract: A security service for an electronic marketplace that permits members of the marketplace to use any signing service to attach electronic signatures to documents resident on the marketplace regardless of format differences between the member's internal computer system and the electronic marketplace.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: February 13, 2007
    Assignee: SAP AG
    Inventors: Steven Thomas Winkler, Michael Andreas Friedrich, Armin Risch
  • Security service for an electronic marketplace
    Publication number: 20020147911
    Abstract: A security service for an electronic marketplace that permits members of the marketplace to use any signing service to attach electronic signatures to documents resident on the marketplace regardless of format differences between the member's internal computer system and the electronic marketplace.
    Type: Application
    Filed: April 5, 2001
    Publication date: October 10, 2002
    Inventors: Steven Thomas Winkler, Michael Andreas Friedrich, Armin Risch