Patents by Inventor Christa R. Walter

Christa R. Walter 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).

  • School supply box
    Patent number: D501077
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: January 25, 2005
    Assignee: Berol Corporation
    Inventors: David E. Barnard, Cory R. Boudreau, Christa R. Walter
  • Supply box
    Patent number: D503280
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: March 29, 2005
    Assignee: Berol Corporation
    Inventors: Brian T. Eberwein, Christa R. Walter
  • School supply box
    Patent number: D474014
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: May 6, 2003
    Assignee: Berol Corporation
    Inventors: David E. Barnard, Cory R. Boudreau, Christa R. Walter
  • Item container
    Patent number: D480873
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: October 21, 2003
    Assignee: Berol Corporation
    Inventors: Brian T. Eberwein, Christa R. Walter
  • Writing implement container
    Patent number: D497185
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: October 12, 2004
    Assignee: Berol Corporation
    Inventors: Gilius A. Gaska, Christa R. Walter