Patents by Inventor Margaret D. Powell

Margaret D. Powell 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).

  • Patent number: 4740196
    Abstract: A nursing apparatus is utilized for stimulating lactation in the female human breast. A breast receiving opening permits the positioning of the apparatus over the female breast, and means for pressurizing and depressurizing an attached chamber then operates to provide a suction action. Additional stimulation is provided by an electrically powered vibrator, while the breast receiving portion includes a chamber which may be filled with warm water to thus simulate the temperature of an infant's mouth.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: April 26, 1988
    Inventor: Margaret D. Powell