Patents by Inventor Stefan Huebner

Stefan Huebner 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).

  • Authenticity attribute
    Patent number: 6325421
    Abstract: The authenticity attribute for an object to be protected is formed by an elongate profile which produces characteristic oscillations upon scanning with the edge or the tip of a scanning object.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: December 4, 2001
    Inventor: Stefan Huebner
  • Embossed sound track
    Patent number: 6296926
    Abstract: The invention relates to a device for manual, mechanical reproduction of short audio information, consisting of a flat, multilayered material (1) in which a longitudinal profile (2) is embossed. The embossing die is produced by means of a milling process.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: October 2, 2001
    Inventor: Stefan Huebner