Garrick Ross Johnson

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Christchurch, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Sonic drill
- Patent number 7,234,537
- Issue date Jun 26, 2007
- Bantry Limited
- Garrick Ross Johnson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Sonic drill
- Publication number 20060162961
- Publication date Jul 27, 2006
- Garrick Ross Johnson
- E21 - EARTH DRILLING MINING