Patents by Inventor John W. T. Duffey

John W. T. Duffey 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).

  • Furniture leg
    Patent number: D315265
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: March 12, 1991
    Inventor: John W. T. Duffey
  • Furniture leg
    Patent number: D315266
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: March 12, 1991
    Inventor: John W. T. Duffey
  • Trim element for a furniture panel
    Patent number: D321103
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: October 29, 1991
    Inventor: John W. T. Duffey