TREA

Chun Lung Cheng

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  • La Veine, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Case hinge structure
    • Patent number 6,499,188
    • Issue date Dec 31, 2002
    • Chun Lung Cheng
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES