Jean C. Raynal

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Pau, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming an electrode structure
- Patent number 4,738,812
- Issue date Apr 19, 1988
- Teleco Oilfield Services Inc.
- Jean C. Raynal
- E21 - EARTH DRILLING MINING
Information Patent Grant
Insulating segment for a drill string electrode structure
- Patent number 4,618,828
- Issue date Oct 21, 1986
- Teleco Oilfield Services Inc.
- Jean C. Raynal
- E21 - EARTH DRILLING MINING