Patents by Inventor Martha Fox

Martha Fox 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).

  • Baby bottle
    Patent number: 5060811
    Abstract: A baby feeding bottle divided into two compartments and a nipple. A valve connecting the nipple to the bottle which selectively connects one or the other of the compartments to the nipple or disconnects both compartments.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: October 29, 1991
    Inventor: Martha Fox