Patents by Inventor Barbara J. Wilczewski

Barbara J. Wilczewski 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).

  • Double post earring structure for pierced ears
    Patent number: 4489572
    Abstract: This invention relates to earrings in general, and more specifically to an improvement in post type earrings for pierced ears, combining two or more post elements operatively connected together to provide a support surface for one or more ornaments designed to be worn on at least one ear.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: December 25, 1984
    Inventor: Barbara J. Wilczewski