TREA

Chen-Chi Chiang

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bearing removing device
    • Patent number 5,623,761
    • Issue date Apr 29, 1997
    • Chen-Chi Chiang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratchet handle of socket wrench
    • Patent number 5,522,287
    • Issue date Jun 4, 1996
    • Chen-Chi Chiang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS