Patents by Inventor Colin Barber

Colin Barber 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).

  • Electrode assemblies
    Patent number: 4109648
    Abstract: A skin electrode assembly comprises a body of hydrophylic gel, and an electrochemically inert member rendered conductive by the inclusion of carbon therein, the gel body and member being directly electrically connected. The member is suitably wholly of carbon such as graphite, and the gel body can be self-supporting or located in a dished plastics housing through which the member passes. The housing can be a fitting lens for opthalmic measurements.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: August 29, 1978
    Assignee: National Research Development Corporation
    Inventors: John R. Larke, Colin Barber, David J. Cotterill