TENGRAPH is a registered class 42 trademark of the Department of Mines, Industry Regulation and Safety, relating to an Information and technological services, namely the provision of information relating to mining tenements including boundaries information, topographic, cadastral, geographical, geophysical and other information related thereto, including administrative boundaries, crown lands and reserves information; provision of the aforementioned information via printed and electronic media database services. Details can be found at Trade Mark 1988660 | IP Australia | Trade Mark Search