Patents by Inventor Mary Jane S. Ball

Mary Jane S. Ball 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).

  • Patent number: D330872
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: November 10, 1992
    Assignee: Mary Jane S. Ball
    Inventor: Mary Jane S. Ball