TREA

Harry H. Hughes

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  • Sunnyvale, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earthquake actuated door latch
    • Patent number 5,570,914
    • Issue date Nov 5, 1996
    • Harry H. Hughes
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES