TREA

Lloyd A. Hilz

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  • Calgary, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Under ice pipelaying
    • Patent number 4,129,011
    • Issue date Dec 12, 1978
    • Montreal Engineering Company, Limited
    • Arthur S. Demers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...