Patents by Inventor Norman J. Diekman

Norman J. Diekman 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).

  • Set of tables
    Patent number: D439447
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: March 27, 2001
    Assignee: Steelcase Development Inc.
    Inventor: Norman J. Diekman
  • Table
    Patent number: D548493
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: August 14, 2007
    Assignee: Steelcase Development Corporation
    Inventor: Norman J. Diekman
  • Table
    Patent number: D562600
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: February 26, 2008
    Assignee: Steelcase Development Corporation
    Inventor: Norman J. Diekman
  • Table
    Patent number: D578805
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: October 21, 2008
    Assignee: Steelcase Development Corporation
    Inventor: Norman J. Diekman
  • Table
    Patent number: D581703
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: December 2, 2008
    Assignee: Steelcase Development Corporation
    Inventor: Norman J. Diekman
  • Desk
    Patent number: D304653
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: November 21, 1989
    Assignee: Stow & Davis Furniture Company
    Inventor: Norman J. Diekman
  • Credenza
    Patent number: D308775
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: June 26, 1990
    Assignee: Stow & Davis Furniture Company
    Inventor: Norman J. Diekman
  • Desk
    Patent number: D359634
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: June 27, 1995
    Assignee: Steelcase Inc.
    Inventor: Norman J. Diekman