Patents by Inventor Lillian Ruffini

Lillian Ruffini 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).

  • External catheter
    Patent number: 4655755
    Abstract: A catheter for males having an inner and outer sheath in which a helically wound airtight tube formed on the flexible inner sheath provides an expandible and contractible compartment adapted to accommodate changes in an engaged penis.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: April 7, 1987
    Inventor: Lillian Ruffini