Patents by Inventor Mary E. Einsel

Mary E. Einsel 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).

  • Hoop toy
    Patent number: D428944
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: August 1, 2000
    Inventors: Mary E. Einsel, Barbara E. Kinney