Patents by Inventor Thomas M. Phifer

Thomas M. Phifer 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).

  • Building
    Patent number: D454645
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: March 19, 2002
    Assignee: Steelcase Development Inc.
    Inventor: Thomas M. Phifer
  • Building
    Patent number: D458688
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: June 11, 2002
    Assignee: Steelcase Development Corporation
    Inventor: Thomas M. Phifer
  • Building
    Patent number: D462777
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: September 10, 2002
    Assignee: Steelcase Development Corporation
    Inventor: Thomas M. Phifer