Patents by Inventor Margit C. Balint

Margit C. Balint 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).

  • Ball puzzle
    Patent number: D283523
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: April 22, 1986
    Inventor: Margit C. Balint