Patents by Inventor Karen S. Keller

Karen S. 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).

  • Tray for auto passenger compartments
    Patent number: 4730760
    Abstract: A tray for auto passenger compartments, in which a bracket is mounted at one end of a tray member, the bracket received in a slot recess extending into the one end of the tray member. The bracket sections form a hook-shaped portion with an end section adapted to be received into a window recess. The end of the tray is positioned against the door surface when the bracket is hooked to support the tray member, and an in-and-out adjustment of the bracket in the recess slot accommodates differing door configurations. The bracket sections are hinged together to allow folding for storage.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: March 15, 1988
    Inventor: Karen S. Keller
  • Animal litter scoop
    Patent number: D438349
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: February 27, 2001
    Inventors: Karen S. Keller, Steven F. Keller
  • Utility tray for the interior of an automobile
    Patent number: D336579
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: June 22, 1993
    Inventors: Karen S. Keller, Steven F. Keller
  • Animal feeding bowl
    Patent number: D343482
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: January 18, 1994
    Inventors: Steven F. Keller, Karen S. Keller
  • Cat shaped litter pan
    Patent number: D358008
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: May 2, 1995
    Inventors: Steven F. Keller, Karen S. Keller
  • Animal feeding bowl
    Patent number: D361874
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: August 29, 1995
    Inventors: Steven F. Keller, Karen S. Keller
  • Animal feeding bowl
    Patent number: D361875
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: August 29, 1995
    Inventors: Steven F. Keller, Karen S. Keller