Patrick Andrieux

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Pierrefonds, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for real time location of deep boreholes while drilling
- Patent number 5,680,906
- Issue date Oct 28, 1997
- Noranda, Inc.
- Patrick Andrieux
- E21 - EARTH DRILLING MINING
Information Patent Grant
Borehole deviation monitor
- Patent number 5,172,480
- Issue date Dec 22, 1992
- Noranda Inc.
- Vladimir M. Labuc
- E21 - EARTH DRILLING MINING