Patents by Inventor Charles Johnston Patton

Charles Johnston Patton 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).

  • Reduction device for nitrate determination
    Patent number: 7157059
    Abstract: A nitrate reduction device has a cadmium structure forming a plurality of longitudinal channels within a flow chamber, which may be formed by a plurality of wires. The device is used to reduce nitrate to a final nitrite product for analysis.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: January 2, 2007
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Charles Johnston Patton, Peter Freeman Rogerson