Patents by Inventor Lisabeth E. Gray

Lisabeth E. Gray 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).

  • EZ baby bottle straw
    Patent number: 5873474
    Abstract: A nursing bottle device which comprises a one piece cap that will attach to a baby bottle and has few parts so it can be sterilized. The cap has an up right portion and a straw that extends into the bottle which will prevent air from entering the nipple as the baby nurses. In addition, there is a weighted ball at the end of the tube to allow the tube to follow the liquid in the bottle.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: February 23, 1999
    Inventor: Lisabeth E. Gray