Patents by Inventor Benno L. Duenkelsbuehler

Benno L. Duenkelsbuehler 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).

  • Curved stem-exposed cord lamp
    Patent number: D393096
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: March 31, 1998
    Inventors: Benno L. Duenkelsbuehler, Sandra N. Stangl
  • Chair
    Patent number: D396759
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: August 11, 1998
    Assignee: Williams-Sonoma Corp.
    Inventor: Benno L. Duenkelsbuehler