TREA

Chen Changda

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible lampshade
    • Patent number 6,808,294
    • Issue date Oct 26, 2004
    • The L.D. Kichler Co.
    • Bruce Raymond Pazula
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Collapsible lampshade
    • Publication number 20040076012
    • Publication date Apr 22, 2004
    • Bruce Raymond Pazula
    • F21 - LIGHTING