Patents by Inventor Catherine Lovell

Catherine Lovell 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).

  • Testing device using a thermochromic display and method of using same
    Patent number: 5869972
    Abstract: A testing device for qualitatively or quantitatively sensing an electrochemical or analogous reaction at the surface of a test strip (46), the current flowing or charge accumulated at the test strip being processed by electronics (50) to generate a current signal suitable for activating a display (52) typically in the form of a thermochromic layer.
    Type: Grant
    Filed: February 26, 1997
    Date of Patent: February 9, 1999
    Inventors: Brian Jeffrey Birch, Edward Baginski, Nicholas Andrew Morris, Catherine Lovell, Michael Catt, Miles Hugh Eddowes