Patents by Inventor Gunter Biermann

Gunter Biermann 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).

  • Patent number: D421806
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: March 21, 2000
    Inventors: Torsten Graf, Andrea Graf, Gunter Biermann