Patents by Inventor Doris K. Christopher

Doris K. Christopher 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).

  • Mold for a gingerbread house
    Patent number: D350461
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: September 13, 1994
    Assignee: The Pampered Chef, Ltd.
    Inventors: Doris K. Christopher, Debbi Ernest
  • Food cutting apparatus
    Patent number: D762428
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: August 2, 2016
    Assignee: Columbia Insurance Company
    Inventor: Doris K. Christopher