Patents by Inventor Joyce Christopher

Joyce 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).

  • Toy pony rocker
    Patent number: D274342
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: June 19, 1984
    Assignee: Milton Bradley International, Inc.
    Inventors: Carol Snyder, Anita F. Mohn-Schwartz, Joyce Christopher
  • Toy tricycle
    Patent number: D274345
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: June 19, 1984
    Assignee: Milton Bradley International, Inc.
    Inventors: Carol Snyder, Anita F. Mohn-Schwartz, Joyce Christopher