Patents by Inventor Rita V. MacDonald

Rita V. MacDonald 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).

  • Puzzle container
    Patent number: D328390
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: August 4, 1992
    Inventors: Rita V. MacDonald, Hugh E. MacDonald