TREA

Horizon Directional Systems, Inc.

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  • Houston, TX, US
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  • Information Patent Grant

    Rotor-to-rotor coupling
    • Patent number 5,588,818
    • Issue date Dec 31, 1996
    • Horizon Directional Systems, Inc.
    • Mitchell J. Houmand
    • E21 - EARTH DRILLING MINING

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