Patents by Inventor Duncan Carrick

Duncan Carrick 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: D423890
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: May 2, 2000
    Inventors: Robert Bruce Warburton, Duncan Carrick