Patents by Inventor Roland Stengel

Roland 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).

  • Patent number: D315497
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: March 19, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Otto Kamerichs, Ulrich Klawitter, Roland Stengel