Patents by Inventor Elizabeth M. Thurston

Elizabeth M. Thurston 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).

  • Female external urinal device
    Patent number: 4936838
    Abstract: A female external urine collection device has a moulded plastics tray that supports an insert or a planar top with an upper surface that contacts the wearer. The upper surface is shaped with an annular wall that engages around the vulva and an opening with a urine-resistant surface within the wall. The opening communicates with an outlet orifice in the tray so that discharge of urine is contained within the wall and flows to the outlet. A longitudinal ridge extends posteriorly of the wall and is located between the buttocks of the user.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: June 26, 1990
    Assignee: Smiths Industries Public Limited Company
    Inventors: David E. Cross, Elizabeth M. Thurston