Geyan Yu

3 Patents

• US124785072025

  Drug Delivery Part for Visual Ear Picking Stick

  HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd

  0 cites
• US124403882025

  Tweezer Part for Visual Ear Pick

  HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd

  0 cites
• US123700882025

  Ear Canal Care Device

  HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd

  0 cites