TREA

Kuo-Liang Tsai

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water hammer arrestor
    • Patent number 9,004,110
    • Issue date Apr 14, 2015
    • Tsai, Kuo-Chen
    • Kuo-Chen Tsai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Display observation angle of which is multidirectionally adjustable
    • Patent number 6,816,177
    • Issue date Nov 9, 2004
    • Tony Wang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Mist Humidifier
    • Patent number 6,244,576
    • Issue date Jun 12, 2001
    • Kuo Lung Tsai
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Writing instrument with plural tips
    • Patent number 4,610,556
    • Issue date Sep 9, 1986
    • Kuo-Lung Tsai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball point pen writing instrument
    • Patent number 4,430,014
    • Issue date Feb 7, 1984
    • Cathay Pen Corporation
    • Kuo L. Tsai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Nib replaceable writing instrument
    • Patent number 4,406,555
    • Issue date Sep 27, 1983
    • Cathay Pen Corporation
    • Kuo L. Tsai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Self-shut type lock device
    • Patent number 4,399,674
    • Issue date Aug 23, 1983
    • Kuo L. Tsai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents