Patents by Inventor Hazel R. West

Hazel R. West 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: 5045079
    Abstract: A cylindrical sponge tampon, soaked in water and then placed in the vagina, supports the urethra to prevent leakage during active movement. The sponge tampon is typically 34 mm in diameter and 60 mm in length when wet and supports a minimum of 0.28 kg (0.5 lb) weight when squashed to half its diameter and not greater than 4.54 kg (10 lbs) per 60 mm length. The preferred material is a formalized polyvinyl alcohol sponge which is a medically proven material.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: September 3, 1991
    Assignee: Prosthex Limited
    Inventor: Hazel R. West