Patents by Inventor Winona F. Cordua-von Specht

Winona F. Cordua-von Specht 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).

  • Apparatus and method for aliquotting blood serum or blood plasma
    Patent number: 5163582
    Abstract: An apparatus and method for dispensing a predetermined volume of liquid from a closed, liquid-containing blood collection tube is described. The apparatus includes a dual conduit providing a passageway for liquid to be dispensed from a closed blood collection tube and a gas conduit providing a passageway for gas to be introduced into the blood collection tube. Included in the apparatus is insertion of the dual conduit into the blood collection tube, turning the tube away from a vertical, upright orientation, connecting and disconnecting the gas passageway from a gas supply, displacing a volume of gas through the gas passageway, and controlling the operation of the apparatus.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: November 17, 1992
    Assignee: Andronic Devices Ltd.
    Inventors: William J. Godolphin, Winona F. Cordua-von Specht, David P. Pires, Geoffrey T. Killam, James A. McEwen