Patents by Inventor Jo A. Ferguson

Jo A. Ferguson 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: 5065771
    Abstract: An improved prophylactic/contraceptive device is provided for preventing conception and for protecting the vaginal cavity and passage against venereal infection. In particular, the device is preferably composed of a flexible pouch-like member having cap-like portion end fittable over the entrance to the cervix. In addition, detachable tie means and the like are preferably included for anchoring the opposite open end of the pouch-like member to the body and thereby preventing dislocation of the device because of thrusting movement within the vaginal passage.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: November 19, 1991
    Inventor: Jo A. Ferguson