TREA

Synco National Ltd.

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Organization

  • Providence, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door alarm device
    • Patent number 4,283,718
    • Issue date Aug 11, 1981
    • Synco National Ltd.
    • Edward A. Butler
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

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