TREA

Triodyne Wangler Construction Specialties, LLC

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  • Niles, IL, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Window locking system
    • Patent number 6,139,074
    • Issue date Oct 31, 2000
    • Triodyne Wangler Construction Specialties, LLC
    • Ralph L. Barnett
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES