Patents by Inventor Karen Sue Keller

Karen Sue Keller 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).

  • Dog-shaped pillow case
    Patent number: D520798
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: May 16, 2006
    Inventor: Karen Sue Keller
  • Rabbit-shaped pillow case
    Patent number: D521299
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: May 23, 2006
    Inventor: Karen Sue Keller
  • Cat-shaped pillow case
    Patent number: D521792
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: May 30, 2006
    Inventor: Karen Sue Keller
  • Tiger-shaped pillow case
    Patent number: D522788
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: June 13, 2006
    Inventor: Karen Sue Keller
  • Dinosaur-shaped pillowcase
    Patent number: D523677
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: June 27, 2006
    Inventor: Karen Sue Keller
  • Bear-shaped pillow case
    Patent number: D528339
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: September 19, 2006
    Inventor: Karen Sue Keller
  • Alligator-shaped pillow case
    Patent number: D545605
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: July 3, 2007
    Inventor: Karen Sue Keller
  • Cow-shaped pillow case
    Patent number: D547587
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: July 31, 2007
    Inventor: Karen Sue Keller
  • Pony-shaped pillowcase
    Patent number: D551889
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: October 2, 2007
    Inventor: Karen Sue Keller
  • Animal dry food scoop
    Patent number: D387957
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: December 23, 1997
    Inventors: Steven Frederick Keller, Karen Sue Keller
  • Animal dry food scoop
    Patent number: D387958
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: December 23, 1997
    Inventors: Steven Frederick Keller, Karen Sue Keller
  • Animal feeding bowl
    Patent number: D400315
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: October 27, 1998
    Inventors: Steven Frederick Keller, Karen Sue Keller
  • Can cover
    Patent number: D417152
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: November 30, 1999
    Inventors: Steven Frederick Keller, Karen Sue Keller
  • Animal can cover
    Patent number: D422502
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: April 11, 2000
    Inventors: Steven Frederick Keller, Karen Sue Keller