Patents by Inventor Mark Gresswell

Mark Gresswell 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).

  • Device and apparatus for conducting an assay
    Patent number: 6300142
    Abstract: A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between first and second inlets, such that the inlet can be brought into liquid communication with each inlet in turn. The inlet port accommodates a filter or binder. The apparatus also includes a microprocessor operable via a key pad, at least one light emitter and at least one light detector, a display and driver, and an A to D converter, and is operatively connected to a power source.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: October 9, 2001
    Assignee: Provalis Diagnostics LTD
    Inventors: David Andrewes, John Worthington Attridge, David Griffiths, John Phillip Vessey, John Anthony Odell, Felix Fernando, Anthony Stevenson, Mark Gresswell, John Curtis, David Alan Percival