Patents Assigned to Donald Enterprises, Inc.
  • Contraceptive-antivenereal disease tampon
    Patent number: 4186742
    Abstract: A new concept of pregnancy and disease prevention is provided by a medicated tampon in the form of a soft, porous foam ball, which is easily insertable into the vagina to cover the cervical area and which is impregnated with a safe spectrum of antibiotics for control of venereal disease and with a contraceptive for control of pregnancy. The tampon may be inserted before intercourse to remain in place during intercourse.
    Type: Grant
    Filed: June 9, 1978
    Date of Patent: February 5, 1980
    Assignee: Donald Enterprises, Inc.
    Inventor: Jack W. Donald