TREA

Chantal L'Esperance

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  • Sherbrooke, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Structural rod for reinforcing concrete material
    • Patent number 4,620,401
    • Issue date Nov 4, 1986
    • Societe Nationale de l'Amiante
    • Chantal L'Esperance
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL