Patents by Inventor Claus-Jürgen Stengel

Claus-Jürgen Stengel 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).

  • Multi-chambered container
    Patent number: D559119
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: January 8, 2008
    Assignee: Stelioplast Roland Stengel Kunststoffverarbeitung GmbH
    Inventor: Claus-Jürgen Stengel
  • Container
    Patent number: D641638
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: July 19, 2011
    Assignee: Stelioplast Roland Stengel
    Inventor: Claus-Jürgen Stengel