Patents by Inventor Barbara J. Bieganski

Barbara J. Bieganski 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: D307842
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: May 15, 1990
    Inventor: Barbara J. Bieganski