Patents by Inventor Charles E. Lemieux

Charles E. Lemieux 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).

  • Ventilated toilet
    Patent number: 4993083
    Abstract: A self-ventilating toilet is provided with an air intake chamber superposed above a water discharge chamber. A tubular member leading to the water discharge is vertically disposed and extends through the air intake chamber and is provided with apertures to allow the water flowing in the tubular member to flow through the air intake chamber and clean the latter.
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: February 19, 1991
    Inventor: Charles E. Lemieux