Patents by Inventor Elizabeth Knight

Elizabeth Knight 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).

  • Toy stable
    Patent number: D278448
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: April 16, 1985
    Assignee: Hasbro Industries, Inc.
    Inventors: Elizabeth Knight, Richard Barlik
  • Construction toy figure
    Patent number: D280754
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: September 24, 1985
    Assignee: Hasbro Industries, Inc.
    Inventors: Bonnie Zacherle, Ken Nichols, Elizabeth Knight
  • Toy unicorn
    Patent number: D283038
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: March 18, 1986
    Assignee: Hasbro Industries, Inc.
    Inventor: Elizabeth Knight