Patents by Inventor Keith Kellam

Keith Kellam 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).

  • Laser doppler microscopy methods and instruments
    Patent number: 5778878
    Abstract: The velocity of blood cells in skin or other tissue capillaries is determined by a laser Doppler technique. A laser beam is focussed on to a capillary by means of a lens, mirror and beam splitter system and measurement of the velocity of the blood cells in a direction substantially perpendicular to the surface of the tissue is effected by detecting directly back-scattered radiation.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: July 14, 1998
    Inventor: Keith Kellam