TREA

SIMPLEX SECURITY SYSTEMS, INC

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  • CANTON (COLLINSVILLE, CT, US
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  • Information Patent Grant

    Door locking system
    • Patent number 4,637,237
    • Issue date Jan 20, 1987
    • Simplex Security Systems, Inc.
    • Edward J. Witkoski
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

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