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Ewig Industries Co., Ltd

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual thermometer system
    • Patent number 7,128,466
    • Issue date Oct 31, 2006
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Multi-functional water control module
    • Patent number 6,892,952
    • Issue date May 17, 2005
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Electronic device
    • Patent number D485192
    • Issue date Jan 13, 2004
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic device
    • Patent number D485191
    • Issue date Jan 13, 2004
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic device
    • Patent number D484811
    • Issue date Jan 6, 2004
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic device
    • Patent number D484812
    • Issue date Jan 6, 2004
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic device
    • Patent number D484420
    • Issue date Dec 30, 2003
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic device
    • Patent number D484421
    • Issue date Dec 30, 2003
    • Ewig Industries Co., Ltd
    • Chee Ann Chang
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electroluminescent lighting device
    • Patent number 6,527,401
    • Issue date Mar 4, 2003
    • Ewig Industries Co. Ltd.
    • Jackson Luk Wah Chu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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