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Po-Lu Chen

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  • Yongkang, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bed castor
    • Patent number D662401
    • Issue date Jun 26, 2012
    • Sunny Castors Co., Ltd.
    • Ming-Hsien Lin
    • D08 - Tools and hardware
  • Information Patent Grant

    Sand vehicle
    • Patent number D660032
    • Issue date May 22, 2012
    • Sunny Castors Co., Ltd.
    • Ming-Hsien Lin
    • D06 - Furnishings
  • Information Patent Grant

    Castor that is braked and positioned simultaneously
    • Patent number 7,950,108
    • Issue date May 31, 2011
    • Sunny Castors Co., Ltd.
    • Sung-Wang Yang
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents