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Chen Chang Co., Ltd.

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  • Kaohsiung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sun protection factor indicator
    • Patent number D479805
    • Issue date Sep 23, 2003
    • Chen Chang Co., Ltd.
    • Feng-Nien Tsai
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Exercise wheel
    • Patent number 6,254,518
    • Issue date Jul 3, 2001
    • Chen Chang Co., Ltd.
    • Hui-Nan Yu
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

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