TREA

Shaohua Wang

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  • Gansu, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Teaching model
    • Patent number D893617
    • Issue date Aug 18, 2020
    • HANGZHOU ZT MODEL CO., LTD
    • Rui Feng
    • D19 - Office supplies
  • Information Patent Grant

    Teaching model
    • Patent number D892931
    • Issue date Aug 11, 2020
    • HANGZHOU ZT MODEL CO., LTD
    • Rui Feng
    • D19 - Office supplies