Patents by Inventor Hans Ulrich Petzold

Hans Ulrich Petzold 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: D399731
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: October 20, 1998
    Assignee: Petzold N.Y License, LLC
    Inventor: Hans Ulrich Petzold
  • Patent number: D400796
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: November 10, 1998
    Inventor: Hans Ulrich Petzold