Patents by Inventor Diane Nixon Johnson

Diane Nixon Johnson 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).

  • African american headpiece
    Patent number: D395737
    Type: Grant
    Filed: December 16, 1995
    Date of Patent: July 7, 1998
    Inventor: Diane Nixon Johnson
  • African American headpiece
    Patent number: D408118
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: April 20, 1999
    Inventor: Diane Nixon Johnson