Patents by Inventor Graham Leslie Underdown

Graham Leslie Underdown 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: 6390990
    Abstract: A blood sampling device has a barrel enclosing a lancet and a spring urging the lancet rearwardly. A dual purpose container fits the rear end of the barrel and its first function is to be pushed forwards relative to the barrel to project the tip of the lancet. A shearable bridge breaks when sufficient pressure is applied, allowing the lancet to retract. The device is then reversed to present the rear end of the container to the drawn blood, which is absorbed thereby. The container with sample for analysis is removed from the barrel which, when the lancet safe inside, can be discarded.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: May 21, 2002
    Assignee: Owen Mumford Limited
    Inventors: Jeremy Marshall, Graham Leslie Underdown