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Hsien-Tu Huang

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  • Feng-Yuan City 420, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-sided ratchet wrench having a one-way reversing mechanism
    • Patent number 6,158,308
    • Issue date Dec 12, 2000
    • Hsien-Tu Huang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Auxiliary pencil extending cap
    • Patent number 6,149,332
    • Issue date Nov 21, 2000
    • Hsien-Tu Huang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Combination pen casing
    • Patent number 6,062,755
    • Issue date May 16, 2000
    • Hsien-Tu Huang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Structure of squeeze lid
    • Patent number 6,024,246
    • Issue date Feb 15, 2000
    • Hsien-Tu Huang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Assembled toilet bowl
    • Patent number 5,933,880
    • Issue date Aug 10, 1999
    • Hsien-Tu Huang
    • E03 - WATER SUPPLY SEWERAGE