Patents by Inventor Robert S. Pickard

Robert S. Pickard 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).

  • Microenvironmental sensors
    Patent number: 5020376
    Abstract: A method of making a microenvironmental sensor for neurological use in which the sensor is formed on a silicon wafer by the use of known integrated circuit techniques. A mask is applied to define the outline of the sensor, trenches are etched surrounding the sensor by the use of an anisotropic etchant and the sensor is separated by etching surplus silicon from the rear surface of the wafer.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: June 4, 1991
    Assignee: University College Cardiff Consultants Limited
    Inventors: Peter Wall, Robert S. Pickard, Graham Ensell, David Leong