TREA

Yang Chun Hsien

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  • Chia Yi, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual mode pneumatic tool
    • Patent number 5,785,228
    • Issue date Jul 28, 1998
    • Campbell Hausfeld/Scott Fetzer Company
    • Chen Chiu Fa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Dual mode pneumatic tool
    • Patent number 5,687,897
    • Issue date Nov 18, 1997
    • Campbell Hausfeld/Scott Fetzer Company
    • Chen Chiu Fa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS