Patents by Inventor Betty Lou Smith

Betty Lou Smith 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).

  • Toothbrush
    Patent number: D637817
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: May 17, 2011
    Inventor: Betty Lou Smith