TREA

Hans E. Heyn

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  • Eureka Springs, AR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Erosion control mats
    • Patent number 6,517,282
    • Issue date Feb 11, 2003
    • HEI LLC
    • Richard A. Marsteller
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Erosion control mats
    • Publication number 20020192036
    • Publication date Dec 19, 2002
    • Richard A. Marsteller
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING