Verne L. Shellhorn

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Gualala, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for processing soil in a subterranean earth situs
- Patent number 5,396,964
- Issue date Mar 14, 1995
- Halliburton Company
- Verne L. Shellhorn
- E21 - EARTH DRILLING MINING