Olivier Vacher

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Nanterre, FR

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Patents Grantslast 30 patents

Information Patent Grant
Bore bit for very hard material
- Patent number 6,942,046
- Issue date Sep 13, 2005
- Compagnie du Sol
- Stéphane Binon
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Bore bit for very hard material
- Publication number 20030230434
- Publication date Dec 18, 2003
- COMPAGNIE DU SOL
- Stephane Binon
- E21 - EARTH DRILLING MINING