Patents by Inventor Janice H. Knight

Janice H. Knight 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: 5266209
    Abstract: A method and apparatus is provided for analyzing the leucocytes in a biological fluid. The biological fluid is passed through a filter material having a critical wetting surface tension greater than 53 dynes/cm so that the leucocytes are held in the filter by adsorption. The filter material is subsequently treated with luminogenic material so that the treated filter may be analyzed by luminescence detection.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: November 30, 1993
    Assignee: Knight Scientific Limited
    Inventors: Robert H. Knight, Janice H. Knight