TREA

Wen-Shan Chien

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  • Tu-Chen, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of surface treating aluminum articles
    • Patent number 6,649,039
    • Issue date Nov 18, 2003
    • Hon Hai Precision Ind. Co., Ltd.
    • Che-Yuan Hsu
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method for surface treatment of metal enclosure
    • Patent number 6,599,588
    • Issue date Jul 29, 2003
    • Hon Hai Precision Ind. Co., Ltd.
    • Wen-Shan Chien
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents