Patents by Inventor Keith D. Ratliff

Keith D. Ratliff 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).

  • Rectangular panel for playground structure
    Patent number: D353866
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: December 27, 1994
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Arched rectangular panel for playground structure
    Patent number: D353867
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: December 27, 1994
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Base for playground structure
    Patent number: D353868
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: December 27, 1994
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Curved rectangular panel for playground structure
    Patent number: D354108
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: January 3, 1995
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Slide attachment for playground structure
    Patent number: D355692
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: February 21, 1995
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Playground and activity structure
    Patent number: D355693
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: February 21, 1995
    Assignee: The Little Tikes Company
    Inventors: Kevin R. Aker, Robert L. Houry, Keith D. Ratliff
  • Arched panel for playground structure
    Patent number: D358441
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: May 16, 1995
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Panel with steps for playground structure
    Patent number: D358442
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: May 16, 1995
    Assignee: The Little Tikes Company
    Inventors: Robert L. Houry, Keith D. Ratliff
  • Playground structure with circular slide
    Patent number: D361614
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: August 22, 1995
    Assignee: The Little Tikes Company
    Inventors: Kevin R. Aker, Robert L. Houry, Keith D. Ratliff