Yunwei Liu

3 Patents

• USD10341522024

  Welding Trampoline Pole Clamp

  Qingdao Jinhuaxing Sports Products Co., Ltd.

  0 cites
• USD10232062024

  Trampoline with Guardrail

  Qingdao Jinhuaxing Sports Products Co., Ltd.

  0 cites
• USD10221022024

  Trampoline with Guardrail

  Qingdao Jinhuaxing Sports Products Co., Ltd.

  0 cites