Mauro F. Dobran

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Winnipeg, CA

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Patents Grantslast 30 patents

Information Patent Grant
Rock drill bit
- Patent number 6,435,288
- Issue date Aug 20, 2002
- Cubex Limited
- Mauro F. Dobran
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure control of a drilling apparatus
- Patent number 6,293,359
- Issue date Sep 25, 2001
- Cubex Limited
- Mauro F. Dobran
- E21 - EARTH DRILLING MINING