Patents by Inventor Robert W. Barker, II

Robert W. Barker, II 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).

  • Shark knife
    Patent number: D440125
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: April 10, 2001
    Inventor: Robert W. Barker, II
  • Dolphin knife
    Patent number: D445314
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: July 24, 2001
    Inventor: Robert W. Barker, II
  • Duck sword
    Patent number: D451571
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: December 4, 2001
    Inventor: Robert W. Barker, II
  • Lobster knife
    Patent number: D451572
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: December 4, 2001
    Inventor: Robert W. Barker, II
  • Sword
    Patent number: D452546
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: December 25, 2001
    Inventor: Robert W. Barker, II
  • Unicorn knife
    Patent number: D452547
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: December 25, 2001
    Inventor: Robert W. Barker, II