Robert J. Boyd

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Queensland, AU

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for automatically controlling a mining machine
- Patent number 5,310,249
- Issue date May 10, 1994
- Z C Mines PTY LTD
- David B. Sugden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mobile mining machine having tilted swing axis and method
- Patent number 5,234,257
- Issue date Aug 10, 1993
- The Robbins Company
- David B. Sugden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Transport apparatus and method of forming same
- Patent number 5,205,612
- Issue date Apr 27, 1993
- Z C Mines Pty. Ltd.
- David B. Sugden
- E21 - EARTH DRILLING MINING