Patents by Inventor Don Wardle

Don Wardle 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).

  • Patent number: D450423
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: November 20, 2001
    Inventor: Don Wardle
  • Patent number: D542009
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: May 8, 2007
    Inventor: Don Wardle
  • Patent number: D542510
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: May 15, 2007
    Inventor: Don Wardle
  • Patent number: D543337
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: May 29, 2007
    Inventor: Don Wardle
  • Patent number: D396135
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: July 21, 1998
    Inventor: Don Wardle