Patents Assigned to NINGBO HELONG NEW MATERIAL CO., LTD
  • WPC panel
    Patent number: D938620
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 14, 2021
    Assignee: NINGBO HELONG NEW MATERIAL CO., LTD
    Inventors: Yun Zhou, Bing Zhang, Chengcheng Shang
  • WPC panel
    Patent number: D938621
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 14, 2021
    Assignee: NINGBO HELONG NEW MATERIAL CO., LTD
    Inventors: Qingjiang Ma, Zhiping Xu, Bing Zhang, Yun Zhou, Panpan Zhou
  • WPC panel
    Patent number: D938622
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 14, 2021
    Assignee: NINGBO HELONG NEW MATERIAL CO., LTD
    Inventors: Qingjiang Ma, Zhiping Xu, Bing Zhang, Yun Zhou, Panpan Zhou
  • WPC panel
    Patent number: D938623
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 14, 2021
    Assignee: NINGBO HELONG NEW MATERIAL CO., LTD
    Inventors: Qingjiang Ma, Zhiping Xu, Bing Zhang, Yun Zhou, Panpan Zhou
  • WPC panel
    Patent number: D938624
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 14, 2021
    Assignee: NINGBO HELONG NEW MATERIAL CO., LTD
    Inventors: Qingjiang Ma, Zhiping Xu, Bing Zhang, Yun Zhou