Gerald W. Robertson

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Missouri City, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring performance of downhole equipment
- Patent number 6,310,559
- Issue date Oct 30, 2001
- Schlumberger Technology Corp.
- Guy Vachon Laborde
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for use with submersible electrical equipment
- Patent number 6,138,754
- Issue date Oct 31, 2000
- Schlumberger Technology Corporation
- Anthony F. Veneruso
- E21 - EARTH DRILLING MINING