TREA

Tung Yik International Ltd.

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  • Chai Wan, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reservoir type writing pen having micro-porous straight-liquid stru...
    • Patent number 9,694,620
    • Issue date Jul 4, 2017
    • Tung Yik International Ltd.
    • Xiangwei Chu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing pen with ink storage
    • Patent number 8,591,132
    • Issue date Nov 26, 2013
    • Tung Yik International Ltd.
    • Ve Chung Hui
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Star shaped marker pen
    • Patent number D482391
    • Issue date Nov 18, 2003
    • Tung Yik International Ltd.
    • Ve-chung Hui
    • D19 - Office supplies
  • Information Patent Grant

    Triangular barrel marker pen
    • Patent number D482397
    • Issue date Nov 18, 2003
    • Tung Yik International Ltd.
    • Ve-chung Hui
    • D19 - Office supplies
  • Information Patent Grant

    Crescent shaped marker pen
    • Patent number D482392
    • Issue date Nov 18, 2003
    • Tung Yik International Ltd.
    • Ve-chung Hui
    • D19 - Office supplies
  • Information Patent Grant

    Marker pen
    • Patent number D480421
    • Issue date Oct 7, 2003
    • Tung Yik International Ltd.
    • Ve-chung Hui
    • D19 - Office supplies
  • Information Patent Grant

    Marker pen
    • Patent number D479856
    • Issue date Sep 23, 2003
    • Tung Yik International Ltd.
    • Ve-chung Hui
    • D19 - Office supplies

Patents Applicationslast 30 patents