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William Chu

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clock with movable advertisement signs
    • Patent number D452447
    • Issue date Dec 25, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Alarm with perpetual calendar suitable for traveler
    • Patent number D438900
    • Issue date Mar 13, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D19 - Office supplies
  • Information Patent Grant

    Calculator
    • Patent number D438557
    • Issue date Mar 6, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D18 - Printing and office machinery
  • Information Patent Grant

    Calculator
    • Patent number D438235
    • Issue date Feb 27, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D18 - Printing and office machinery
  • Information Patent Grant

    Calculator
    • Patent number D438238
    • Issue date Feb 27, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D18 - Printing and office machinery
  • Information Patent Grant

    Calculator
    • Patent number D438237
    • Issue date Feb 27, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D18 - Printing and office machinery
  • Information Patent Grant

    Calculator with perpetual calendar
    • Patent number D437351
    • Issue date Feb 6, 2001
    • Limax Electronics Co., Ltd.
    • Shu-Chia Chang
    • D19 - Office supplies
  • Information Patent Grant

    Alarm with perpetual calendar suitable for traveler
    • Patent number D436992
    • Issue date Jan 30, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D19 - Office supplies
  • Information Patent Grant

    Alarm with perpetual calendar for traveler
    • Patent number D436621
    • Issue date Jan 23, 2001
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D19 - Office supplies
  • Information Patent Grant

    Electronic notebook
    • Patent number D435550
    • Issue date Dec 26, 2000
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Calculator with perpetual calendar
    • Patent number D434070
    • Issue date Nov 21, 2000
    • Limax Electronics Co., Ltd.
    • Min-Hua Lin
    • D19 - Office supplies
  • Information Patent Grant

    Calculator
    • Patent number D433057
    • Issue date Oct 31, 2000
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D18 - Printing and office machinery
  • Information Patent Grant

    Electronic notebook suitable for traveler
    • Patent number D430871
    • Issue date Sep 12, 2000
    • William H. K. Chu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic notebook suitable for traveler
    • Patent number D430566
    • Issue date Sep 5, 2000
    • William H. K. Chu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Desk calculator with perpetual calendar
    • Patent number D427630
    • Issue date Jul 4, 2000
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D19 - Office supplies
  • Information Patent Grant

    Calculator with perpetual calendar suitable for traveler
    • Patent number D427629
    • Issue date Jul 4, 2000
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D19 - Office supplies
  • Information Patent Grant

    Desk calculator with perpetual calendar
    • Patent number D427237
    • Issue date Jun 27, 2000
    • Limax Electronics Co., Ltd.
    • William H. K. Chu
    • D19 - Office supplies
  • Information Patent Grant

    Message display calculator
    • Patent number 5,604,688
    • Issue date Feb 18, 1997
    • Tomax Enterprises, Inc.
    • William Chu
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents