Patents Assigned to HONG KONG RUIYING INTERNATIONAL TRADE CO., LIMITED
  • Milk frother
    Patent number: D991734
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: July 11, 2023
    Assignee: HONG KONG RUIYING INTERNATIONAL TRADE CO., LIMITED
    Inventor: Qizhang Zhu
  • Milk frother
    Patent number: D991735
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: July 11, 2023
    Assignee: HONG KONG RUIYING INTERNATIONAL TRADE CO., LIMITED
    Inventor: Qizhang Zhu