Patents by Inventor Christopher George Fraser

Christopher George Fraser 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).

  • Patent number: 7067001
    Abstract: A drainage composition comprising 1000 to 1500 kg/m3 of aggregate; 100 to 350 kg/m3 of cement; 0 to 100 kg/m3 of fly ash; and 0.2 to 0.6 kg/m3 of fibrous material.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: June 27, 2006
    Inventor: Christopher George Fraser