Patents by Inventor Rachel Nack

Rachel Nack 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).

  • Tongue hygiene device
    Patent number: 5226197
    Abstract: A tongue cleaning brush/scraper comprising an elongated handle, one end of which is rounded and wider then the head of a conventional toothbrush, extending from said head a plurality of short bristles. Attached to the end of said rounded head, and extending at the same angle and to the same height as the short bristles is a semi-rigid scraper. When used, the invention will efficiently and quickly clean the tongue while not eliciting the gag reflex.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: July 13, 1993
    Inventors: Rachel Nack, Robert L. Nack