Egon H. Garthoffner

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Bakersfield, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
In-situ combustion in hydrocarbon-bearing formations
- Patent number 4,615,391
- Issue date Oct 7, 1986
- Tenneco Oil Company
- Egon H. Garthoffner
- E21 - EARTH DRILLING MINING