Patents by Inventor Kenneth Penning

Kenneth Penning 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).

  • Back for a seating unit
    Patent number: D546573
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: July 17, 2007
    Assignee: Steelcase Development Corporation
    Inventors: Gardner Klaasen, II, David Valdiserri, Kenneth Penning
  • Seating unit
    Patent number: D557026
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: December 11, 2007
    Assignee: Steelcase Development Corporation
    Inventors: Gardner Klaasen, II, David Valdiserri, Kenneth Penning
  • Seating unit
    Patent number: D568625
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: May 13, 2008
    Assignee: Steelcase Inc.
    Inventors: Gardner Klaasen, II, David Valdiserri, Kenneth Penning