Ronald John McPhee

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Queensland, AU

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Patents Grantslast 30 patents

Information Patent Grant
Mining methods and apparatus
- Patent number 8,622,479
- Issue date Jan 7, 2014
- Commonwealth Scientific and Industrial Research Organisation
- Chad Owen Hargrave
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Mining methods and apparatus
- Publication number 20090212216
- Publication date Aug 27, 2009
- COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
- Chad Owen Hargrave
- E21 - EARTH DRILLING MINING