Patents by Inventor Dorothy Marie Sheahan

Dorothy Marie Sheahan 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).

  • Shower-head fixture
    Patent number: 4099672
    Abstract: A device for mixing various substances with shower water wherein water is supplied through an elbow device inserted in the water stream, mixed with the desired substance in an amount controlled by a valve, and returned to the shower water through an additional elbow device.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: July 11, 1978
    Inventors: Ray Albert Sheahan, Dorothy Marie Sheahan