TREA

Walter Liao

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  • Tali, Taichung Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic hammer
    • Patent number 6,138,888
    • Issue date Oct 31, 2000
    • Walter Liao
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Magazine structure for a power stapler
    • Patent number 5,873,509
    • Issue date Feb 23, 1999
    • Walter Liao
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS