Sugavanum Ravichandra

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Bangalore, IN

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Patents Grantslast 30 patents

Information Patent Grant
Downhole hammer drill
- Patent number 7,581,602
- Issue date Sep 1, 2009
- Sparroc Drillco Services Pty Ltd
- Tony Lorger
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Downhole hammer drill
- Publication number 20070007045
- Publication date Jan 11, 2007
- SPARR DRILLING EQUIPMENT PTY LTD
- Tony Lorger
- E21 - EARTH DRILLING MINING