Patents by Inventor Lloyd Graham Cowley

Lloyd Graham Cowley 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).

  • Publication number: 20040102547
    Abstract: Use of a wax as a hydrocarbon resistant, preferably fuel resistant additive for a bitumen.
    Type: Application
    Filed: July 24, 2003
    Publication date: May 27, 2004
    Inventors: Lloyd Graham Cowley, Robert Gerald Fisher