Bret Edward Leisemann

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Brisbane, AU

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Patents Grantslast 30 patents

Information Patent Grant
Method of longwall panel development
- Patent number 6,460,937
- Issue date Oct 8, 2002
- Cutting Edge Technology Pty Ltd.
- Peter Kenneth Seear
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for highwall mining
- Patent number 6,027,175
- Issue date Feb 22, 2000
- Cutting Edge Technology Pty Ltd.
- Peter Kenneth Seear
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method of mining
- Publication number 20010006304
- Publication date Jul 5, 2001
- CUTTING EDGE TECHNOLOGY PTY LTD
- Peter Kenneth Seear
- E21 - EARTH DRILLING MINING